Microsoft’s new Full Screen Experience (FSE) for Windows 11 has arrived on the MSI Claw family via the Windows Insider Preview and—at least in early hands‑on tests—can free up memory, trim background noise, and deliver measurable but modest FPS gains in demanding titles, while exposing the real-world frictions of staging a console‑style shell on a desktop OS.
Background / Overview
Microsoft designed the
Full Screen Experience (FSE) as a session posture layered on top of Windows 11, not as a fork or replacement OS. The concept: when you want to game on a handheld, run a single “home app” (the Xbox PC app by default) as a full‑screen, controller‑first shell and deliberately
defer or suppress non‑essential desktop services and cosmetic shell elements. The goal is pragmatic — reduce memory pressure, lower idle CPU wakeups that trigger micro‑stutters in thermally constrained handheld APUs, and present a large‑tile, thumb‑friendly launcher akin to console UI. The FSE expansion to MSI’s Claw lineup was delivered as part of the Windows 11 Insider Preview Build 26220.7051 (KB5067115). Microsoft shipped it as a
controlled, entitlement‑gated preview: the binaries are in the build, but device visibility and enablement are managed by Microsoft and the OEM, so availability is phased and can vary between identical units. Why MSI Claw? MSI’s Claw family (including Intel and AMD SKUs like the Claw 8 AI and Claw A8) pairs relatively powerful APUs with compact 7–8‑inch designs and narrow thermal envelopes—precisely the environment where trimming OS noise can pay off. MSI devices also ship with vendor utilities like
MSI Center M, which give users TDP and performance controls that interact with FSE’s runtime posture and therefore matter to real‑world outcomes.
What the Full Screen Experience actually does
The technical model (short form)
FSE is a session‑level policy set and shell layer that:
- Runs the selected “home app” in full‑screen as the primary UX.
- Defers many desktop startup items, Explorer ornamentation, and non‑critical background tasks while the full‑screen session is active.
- Adapts Game Bar, Task View, and Xbox button flows for controller navigation and quick entry/exit.
- Does not change kernel scheduling, GPU driver behavior, or anti‑cheat kernel modules; performance differences come from user‑space trimming rather than driver‑level changes.
Visible features on supported handhelds
- A single, controller‑friendly grid launcher driven by the Xbox PC app (you can select other home apps in Settings → Gaming → Full screen experience).
- Option to “Enter Full Screen Experience on startup” so the device boots directly into the Xbox‑led shell and delays desktop startup tasks until the user switches to the desktop.
- Controller‑first login flows, on‑screen controller keyboard, and quick overhead controls via Game Bar and Task View.
Key claims and verification
Several high‑impact claims have circulated around the FSE rollout. Cross‑checking available sources yields a consistent shape but important caveats.
- Claim: FSE can free up as much as 2 GB of RAM on handheld machines. Verified? Multiple hands‑on tests and community reports record reclaimed RAM in the neighborhood of 1–2 GB when desktop services and startup items are suppressed. NotebookCheck’s coverage of ETA Prime’s tests shows memory dropping from roughly 7.3 GB to 6.2 GB in one test run (≈1.1 GB), and community threads report numbers within that ballpark. These figures are plausible and repeatedly observed, though they vary by what services and overlays were active prior to enabling FSE. Treat “up to 2 GB” as a best case observed figure rather than a guaranteed, device‑agnostic outcome.
- Claim: measurable FPS improvements in modern AAA titles (Cyberpunk 2077, Forza Horizon 5). Verified? Independent testers and creators (including ETA Prime and several outlet reviewers) documented modest FPS uplifts—often single to low‑double‑digit percentage gains—on thermal‑constrained handhelds, attributable primarily to reclaimed memory and fewer background wakeups. However, some outlets measured mid‑20% gains on specific workloads and hardware (notably on the ROG Xbox Ally in early tests), while other community tests show smaller or no change depending on driver versions, OEM utilities, and whether launchers or overlays were involved. In short: positive gains are real in many cases but wildly variable in magnitude.
- Claim: FSE improves battery life significantly. Verified? No—battery benefits appear minimal in early testing. That matches the architectural reality: FSE trims user‑space tasks but does not change core power characteristics of GPUs/APUs or thermal dissipation; therefore battery improvements are modest unless Microsoft later introduces deeper power‑policy changes.
Where claims are less verifiable (exact percent gains in a given game on a particular Claw SKU, or long‑term stability across firmware revisions), treat community numbers as indicative and require local testing for purchase/upgrade decisions.
MSI Claw 8 AI — device‑specific context
The MSI Claw family spans a range of SKUs: 7–8‑inch displays, Intel and AMD APUs (including options with AMD Ryzen Z‑class chips), and memory configurations that can go up to ~24 GB in some models. The
Claw 8 AI+ has been a frequent test subject because its Intel‑powered configuration and bundled MSI utilities (MSI Center M) give testers knobs to tune TDP, thermal limits, and performance states, which influence FSE outcomes. Tom’s Guide and early pre‑order/spec coverage highlight the Claw A8 and Claw 8 AI variants and their hardware ambitions. Practical implications for Claw owners:
- If you run an MSI Claw on the Insider channel and meet Microsoft/OEM entitlements, you can enable FSE at Settings → Gaming → Full screen experience and choose the Xbox app as your home app. Enabling “Enter full screen experience on startup” defers many desktop apps until you first switch back to the desktop, which is the primary mechanism that reclaims RAM.
- MSI Center M (and other OEM overlays) interacts with FSE. Some community testers report better FSE behavior after updating MSI firmware, MSI Center, and GPU drivers; stale vendor utilities sometimes cause overlay conflicts or startup oddities when FSE suppresses expected background services. Keep firmware and OEM tools up to date before experimenting.
- Cross‑platform gamers: as shipped, many Claw devices lack official Linux support or have limited Arm/Prism‑related considerations; FSE is Windows‑centric by design and does not address Linux/SteamOS workflows. If you rely on Linux-native toolchains or prefer SteamOS/Big Picture, FSE isn’t an alternative to those ecosystems.
Hands‑on testing: what the early numbers show
Multiple testers and creators—including ETA Prime’s walkthroughs reported by NotebookCheck—ran side‑by‑side comparisons of desktop Windows mode versus FSE on the Claw 8 AI+. Common patterns emerge:
- Memory: Total background RAM use often drops by roughly 1 GB, sometimes approaching 2 GB in favorable conditions where many background services are actively suppressed. This is the most repeatable, easily observed effect.
- FPS: Games like Cyberpunk 2077 and Forza Horizon 5 saw modest FPS uplifts. ETA Prime’s tests showed an increase (for example, Cyberpunk jumping from ~55 FPS to ~61 FPS under a 30 W TDP test), but gains depend on the precise configuration, driver level, and the presence of overlays or launchers that FSE suppresses. Expect single to low‑double‑digit percent wins in typical AAA workloads; extreme mid‑20% claims tend to be workload‑ and hardware‑specific outliers.
- Frame stability: The reduction in background CPU wakeups can produce more consistent frame times (smoother sustained performance) rather than raw spike gains in peak FPS. That matters more for perceived smoothness than for headline FPS numbers.
- Battery life: Little to no meaningful change in battery longevity in current previews. Any claimed battery wins are small and inconsistent across tests.
Caveat: these numbers are
lab/tester results and will vary across driver builds, BIOS/firmware, thermal profiles, and whether the system was previously loaded with background apps. The staged, entitlement‑gated rollout means your mileage will vary even inside the same Insider channel.
Usability, interface and ecosystem tradeoffs
FSE’s UX is intentionally
opinionated: it trades flexibility for a simplified, controller‑first launcher. That design choice has both upsides and downsides.
Strengths
- Cleaner, controller‑first experience: The Xbox home UI is much easier to navigate with a gamepad than a cluttered Windows desktop on a 7–8‑inch screen. This is a real usability win for pick‑up‑and‑play sessions.
- Non‑destructive to Windows’ openness: FSE is a shell — Steam, Epic, GOG, Battle.net remain usable. You don’t lose your Windows ecosystem; you get a focused entrypoint for gaming.
- Easier OEM deployment: OEMs can enable a console‑like experience without shipping a different OS image, which lowers support complexity for vendors while still offering a consumer‑friendly launcher.
Limitations and friction points
- Limited customization and app launcher integration: FSE’s default home app is Xbox; while other apps can be chosen, many users find it cumbersome to access non‑Xbox or non‑Steam titles. Popular workarounds include adding executables to Steam’s library or using third‑party launchers (Playnite) before setting them as the home app—workarounds that are inelegant compared with SteamOS/Big Picture customization. This is a real UX gap for power users who want a single, consolidated launcher for everything.
- Compatibility quirks with OEM utilities and overlays: Vendor tools that expect to run at startup or supply on‑screen controls can conflict with FSE’s deferred startup. MSI’s quick‑settings button and some OSD behavior have been called out by Claw owners as intermittent when FSE is active, creating a less polished experience than devices where FSE was baked in at launch (e.g., ROG Xbox Ally).
- Stability and gated rollouts: Because the feature is entitlement‑gated and delivered through Insider channels, early adopters report toggles appearing and disappearing, inconsistent boot‑to‑FSE behavior, and occasional sleep/resume issues. This is par for the course with Insider previews but worth stressing: expect some rough edges.
- Anti‑cheat and DRM: FSE does not alter anti‑cheat behavior or kernel drivers. Games that require kernel‑mode anti‑cheat or special launcher steps can still fail to run or require a desktop session to execute properly. That reduces the universality of FSE’s “one‑press to play” promise.
Practical how‑to and safety checklist (for Claw owners and testers)
- Join the Windows Insider Program (Beta or Dev channels, depending on risk tolerance).
- Update Windows to the build containing FSE (Build 26220.7051 / KB5067115 or later, if available to your device).
- Install the Xbox PC app preview via the Xbox Insider Hub if required—some testers reported the FSE toggle doesn’t show without the preview Xbox app.
- Update MSI Center M, BIOS/UEFI firmware, and GPU drivers (Arc/AMD/NVIDIA as appropriate) before enabling FSE.
- Navigate to Settings → Gaming → Full screen experience and choose “Xbox” or another home app; enable “Enter full screen experience on startup” if you want the console‑style boot behavior.
- Create a system backup or recovery USB and note how to revert to a prior build should the Insider bits cause problems. Insider previews can contain regressions; don’t use your primary production device unless you accept the risk.
The competitive picture and longer‑term implications
Windows on handhelds is a battleground that pits Microsoft’s goal of preserving Windows’ openness against specialist operating systems (SteamOS and forks like Bazzite) that prioritize gaming efficiency and launcher polish. Early comparative testing suggests the following:
- SteamOS (Linux‑based) and some optimized Linux distributions still hold an edge in raw efficiency and power use in some workloads, particularly when the OS and GPU stack are tuned end‑to‑end for gaming. TechRadar’s comparative tests found significant performance and power efficiency advantages in a few cases, though Linux’s anti‑cheat limitations remain a tradeoff. This is the competitive pressure shaping Microsoft’s move: bring console‑style UX to Windows without fracturing the platform.
- Microsoft’s approach — a layered session posture — is conservative and smart from a compatibility standpoint: it keeps anti‑cheat, DRM, and the Windows driver model intact while offering UX improvements. That path reduces fragmentation risk at the cost of absolute power‑efficiency parity with purpose‑built gaming OSes.
- OEM cooperation matters. Devices where FSE is preinstalled and harmonized with firmware and vendor utilities (e.g., the ROG Xbox Ally family) tend to deliver the cleanest experience. For Claw owners, the speed at which MSI pushes firmware and MSI Center updates will shape how polished FSE feels.
Strengths, risks and editorial assessment
Strengths
- Tangible, repeatable memory savings that benefit handhelds with limited RAM. The freed headroom alone is a compelling reason to try FSE for owners of 8–16 GB devices.
- Better perceived smoothness due to reduced frame‑time variance; a real win for handheld comfort during long sessions.
- Preserves Windows’ breadth: no lock‑in to a single store or closed ecosystem; Steam, Epic and other launchers still function.
Risks and downsides
- Variable, build‑dependent results: FSE’s advantage depends heavily on driver versions, MSI firmware, and what background tasks were running beforehand.
- UX gaps: limited customization, poor integration for non‑Xbox app launchers, and awkward workarounds drive power users back to Steam Big Picture, Playnite, or dual‑boot SteamOS in some cases.
- Stability and gating: entitlement gating plus Insider preview regressions means early adopters will face toggles that appear/disappear, and some features are flaky in early builds.
- No magic at the kernel level: anti‑cheat and driver models remain unchanged, capping how much FSE alone can alter performance.
Final take: FSE is an important, pragmatic step for Windows handhelds—
evolutionary rather than revolutionary. It meaningfully improves the handheld gaming experience in many real‑world scenarios but is not a substitute for deeper, OS‑level power and driver optimizations produced by dedicated gaming distributions. Early adopters should test cautiously; mainstream users will benefit most when Microsoft and OEMs ship it as a polished, factory‑enabled option.
Recommendations for buyers, power users and IT pilots
- Buyers: if you’re choosing between handhelds and want the cleanest out‑of‑the‑box console‑style experience on Windows, prefer devices where FSE is preinstalled and vendor‑validated. If you favor customization, SteamOS or Valve‑centric solutions remain attractive.
- MSI Claw owners: join the Windows Insider Beta channel if you want early access, but update MSI Center M, BIOS and GPU drivers first. Back up your system and expect some trial‑and‑error while drivers and MS/OEM entitlements stabilize.
- Power users: if you need every title to launch reliably (especially titles with funky anti‑cheat or launcher requirements), test your core library in FSE and maintain an easy way to boot to the desktop. Use Steam/Playnite as fallbacks for non‑Xbox titles until FSE’s custom‑launcher story improves.
- IT pilots and reviewers: capture firmware/driver versions, reproduce sleep/resume and update flows, and log Feedback Hub entries with structured repro steps. The staged rollout is designed to collect this telemetry—your reports shape the polish cadence.
Roadmap and what to watch next
- Broader OEM support: Microsoft has signaled additional vendor rollouts in the months ahead; how quickly OEMs synchronize firmware and utilities will determine the quality of the end user experience.
- Launcher flexibility: user demand for Playnite/third‑party home app support or richer launcher customization is high. If Microsoft exposes deeper launcher controls or official Playnite/PlayStation-like integration options, FSE’s utility will grow considerably.
- Power and efficiency work: true battery improvements will require deeper power‑policy and driver‑level changes. Expect incremental steps in Insider builds, but don’t assume dramatic battery wins from FSE alone.
- Anti‑cheat support and compatibility shims: as the ecosystem matures, look for explicit guidance from Microsoft and game publishers about FSE compatibility with kernel‑mode anti‑cheat systems.
The Full Screen Experience on the MSI Claw is a tangible, well‑targeted improvement for handheld Windows gaming: it frees memory, reduces background noise, and delivers smoother, if modestly faster, gameplay in many real‑world tests. That progress comes with the expected tradeoffs of a preview program—stability variability, limited launcher flexibility, and dependency on OEM cooperation. For early adopters and handheld enthusiasts, FSE on the Claw is worth testing now; for mainstream buyers, the feature will be most persuasive once Microsoft and OEMs finish harmonizing firmware, drivers, and launchers so the console‑style promise arrives polished and dependable.
Source: Geeky Gadgets
MSI Claw 8 AI Major Update Released : Microsoft Full Screen Experience Tested