Boost Windows 11 Performance: Clear Cache and Temporary Files

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If you’ve ever experienced your Windows 11 PC acting sluggish, slow to boot, or just plain... off, you’re not alone. Over time, even the sleekest computers can become bogged down with invisible baggage, especially if you’re not regularly performing some care and maintenance. One of the simplest—and most effective—ways to breathe new life into your machine is by clearing its cache and removing temporary files. And best of all? The tools to do this come baked into Windows 11. No downloads, no third-party apps. Just you, a few clicks, and some digital elbow grease.
Let’s dive into why deleting your cache is crucial and—most importantly—how you can do it in a way that keeps your PC snappy and clutter-free.

Modern desktop setup with a widescreen monitor displaying Windows 11 and a keyboard.
What Exactly Is Cache and Why Should You Care?

First, let’s get nerdy for a moment. Cache files are essentially packets of stored data that your computer saves to help speed up tasks. For example, your web browser might cache images from websites you visit frequently so they load faster next time. Similarly, Windows caches installation files, temporary system files, and even your DNS records for offline use.
Sounds helpful, right? Well, it is—until it isn’t. Over time, caches become outdated or corrupted, and instead of being helpful, they can gum up the works. Think of it like cramming more and more junk into a closet. What started as a neatly organized system devolves into chaos, slowing down your PC and even causing erratic behavior. Enter: cache cleaning.
While sweeping away digital cobwebs might seem like a minor task, it can make a meaningful impact, especially when your system is feeling sluggish. So, here’s how to roll up your sleeves and tidy things up in Windows 11.

Step-by-Step: How to Use Windows 11’s Cleanup Recommendations

Windows 11 knows its users—Microsoft has made it as simple as possible to locate and clear out unnecessary files. Here’s where you start:
  • Open Settings: Hit the Start button and choose “Settings.”
  • Navigate to Storage: Once in Settings, head to “System” > “Storage.”
  • Find Cleanup Recommendations: Scroll down to locate the “Cleanup Recommendations” option.
Boom. Here, you’ll get a categorized overview of what’s cluttering up your PC. Downloads, Recycle Bin contents, and temporary files will likely show up first. Windows 11 even flags rarely-used apps, so you can make informed decisions about what to keep or ditch. A heads-up: Check your Downloads folder carefully—you might find files you still need.
Think of this tool as the Marie Kondo of PC maintenance: It helps identify what “sparks joy” so you can clear out the rest.

Using the Disk Cleanup Utility

Feeling nostalgic for the classics? Windows’ Disk Cleanup utility is a tool that’s been around forever (OK, since Windows 98, but close enough). What it lacks in visual flair, it makes up for in raw efficiency. Here’s how to access and use it:
  • Click Start and search for “Disk Cleanup.”
  • Launch the app, and select the desired drive (usually C: for most users).
  • Disk Cleanup will scan your drive for temporary files, internet caches, and other unimportant clutter.
  • Check the boxes for the categories you’re ready to zap, then click “OK.”
This tool is perfect for tidying smaller items like setup logs or old Windows update files. It won’t overhaul your system, but every little bit adds up.

Get Fancy: Clearing the Location Cache

Windows tracks location-based data—helpful for navigation apps, less so for your hard drive's free space. Cleaning this cache is quick and effective:
  • Go to Settings: Hit “Start” > “Settings.”
  • Explore Privacy Options: Select “Privacy & Security.”
  • Clear Location Data: Scroll down and choose “Location History,” then click “Clear.”
This frees up extra space and gives you some peace of mind about what data is stored.

Flush Your DNS Cache for Smoother Internet

Here’s one most people overlook: flushing your DNS cache. If your once-speedy browsing has slowed to a crawl, this trick might help. The DNS (Domain Name System) cache is like an address book that stores the IP addresses of websites you’ve visited. Over time, entries can get outdated.
Here’s the one-liner command to refresh it:
  • Press Windows Key + R to open the Run dialog.
  • Type cmd and hit Enter to bring up the Command Prompt.
  • Type the following command and hit Enter:
    ipconfig /flushdns
Like magic, your PC’s internet can feel noticeably zippier.

Why Does Cleaning Your Cache Matter?

Great question. Regular cache-clearing is like grooming your car or organizing your closet—it keeps things efficient and prevents minor issues from snowballing. Some benefits include:
  • Faster Boot Times: By clearing temporary files, your startup experience can feel speedier.
  • More Storage Space: Those cache files might be invisible, but they add up. Deleting them can reclaim several gigabytes, especially if it’s been a while since your last purge.
  • Fewer Glitches: Corrupted cache files can trigger odd behaviors, like crashes or apps refusing to work as expected. Clearing them can be a cure-all for such quirks.
  • Privacy Boosts: Flushing DNS and location caches reduces exposure to lingering, user-specific data stored on your machine.

Small Tasks, Big Results: Building Better PC Habits

Think of cleanup routines as part of a broader “digital hygiene” strategy. Just like you wouldn’t let dishes stack up in the sink for weeks on end (no judgment if you do, though), you shouldn’t let temporary files and bloated caches linger on your system unchecked.
Make it a habit to perform these tasks monthly (or more frequently if you’re a power user). For added benefits:
  • Uninstall Unneeded Apps: Windows 11 makes this easy via the same “Cleanup Recommendations” tool.
  • Optimize Your Startup List: Disable unnecessary apps that auto-launch when your PC boots.
  • Consider Automating Regular Maintenance: Tools like Microsoft’s Storage Sense can automatically delete temp files across schedules you set.

The Bottom Line: Your PC Deserves Some TLC

Cleaning your cache in Windows 11 is a simple yet effective way to keep your PC in tip-top shape. With tools like Cleanup Recommendations, Disk Cleanup, and a few command-line tricks for DNS, you now have an arsenal of strategies for decluttering your system.
So, whether your PC’s been acting like a tired office worker or you’re just in the mood for some spring cleaning, these steps will have your computer feeling fresh, speedy, and ready to tackle whatever’s next.
How do you keep your Windows machine running smoothly? Share your tips and experiences in the comments below!

Source: ZDNET How to clear the cache on your Windows 11 PC (and why it makes such a big difference)
 

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If your Windows 11 PC has started feeling a bit sluggish or even showing off a hint of sluggishness when multitasking, the culprit might just be the remnants of everyday operations: cache and temporary files. In today’s article, we break down how clearing these files can boost your system’s performance and walk you through the various built-in tools that Windows has designed to keep your computer in tip-top shape.

A computer monitor, keyboard, and mouse sit on a plain desk in a softly lit room.
Why Clearing the Cache Matters​

Every time you browse the internet, open apps, or run programs, your computer stores bits of data in the form of cache and temporary files. While this can make reopening apps or web pages faster, over time, these files can pile up and even become corrupted. The result? Slower boot times, unresponsive applications, and overall decreased performance.
Clearing out cached data is like performing a spring cleaning on your data storage. By removing outdated or unnecessary files, you free up valuable disk space and potentially speed up your PC’s operations. And the best part? Your Windows 11 PC already comes equipped with all the tools necessary to undertake this cleaning process.

Using Windows Cleanup Recommendations​

Windows 11 provides an intuitive set of cleanup recommendations to help disentangle your cluttered disk space. This tool can identify large files, unused applications, and redundant system files that are safe to delete.

How to Access Cleanup Recommendations:​

  • Click the Start button and open Settings.
  • Navigate to System > Storage.
  • Scroll down to Cleanup recommendations.
Here, you’ll see details about temporary files stored in your Downloads folder as well as contents in your Recycle Bin. Windows also highlights larger files like video clips or high-resolution images which might already be past their prime. Always double-check these files before deletion to ensure you’re not tossing out anything essential.
Quick Tip: Regular use of these recommendations not only declutters your disk but also gives you a clearer snapshot of what files are hogging up that precious space.

The Disk Cleanup Utility​

For those who prefer a more classic approach, Windows’ Disk Cleanup utility is a reliable choice. Regardless of whether you’re on Windows 10 or 11, this tool has been a longtime favorite among power users and casual users alike.

Steps to Use Disk Cleanup:​

  • Open the search bar and type "Disk Cleanup".
  • Launch the utility. It will scan your drive for temporary files, setup logs, cache files, and more.
  • Select the file types you wish to remove by checking their respective boxes.
  • Hit OK to initiate the cleanup process.
This utility might not perform system-wide repairs, but it’s excellent for reclaiming several gigabytes of disk space and ensuring that lingering junk files don’t bog down your system.

Clearing the PC’s Location Cache​

Even your device’s location cache, which logs the history of your GPS and network-based location data, can contribute to disk clutter. Here’s how you can efficiently clear it:
  • Open the Start menu and navigate to Settings.
  • Click on Privacy and Security.
  • Scroll to the Location history section and simply click Clear.
This not only liberates storage space, but helps ensure that your usage history is kept tidy—especially valuable if you’re concerned about privacy.

Flushing the DNS Cache for Smoother Internet Browsing​

Sometimes slow internet speeds have little to do with your network setup and more with a bloated DNS cache. DNS, which stands for Domain Name System, caches website address resolutions to speed up future requests. However, if these entries become outdated, they can hamper your browsing experience.

How to Flush the DNS Cache:​

  • Press Windows key + R to open the Run command.
  • In the dialog box, type ipconfig/flushdns (make sure there’s no space between ipconfig and /flushdns).
  • Press Enter.
Flushing your DNS cache refreshes these stored entries—potentially resolving issues related to outdated records and improving browsing speed.

Beyond the Basics: Routine Maintenance for Long-Term Efficiency​

Clearing the cache isn’t just a one-off task—it’s one component of a broader strategy to maintain optimal performance on your Windows 11 system. Making a habit of regular disk cleanups can stave off the gradual decline in performance that comes with accumulated junk files. Alongside these built-in tools, keeping your operating system up to date is paramount, as Microsoft frequently releases performance enhancements and security patches that dovetail with these maintenance routines.

Consider Keeping an Eye On:​

  • Windows 11 Updates: Regular updates often include optimizations that help manage system caches and memory.
  • Third-Party Tools: While Windows’ built-in functionalities cover most needs, occasional use of reputable third-party utilities can offer a more in-depth clean.
  • Proactive File Management: Monitor large or infrequently used files and uninstall unused apps periodically.

Conclusion: Optimize, Refresh, and Enjoy​

Clearing cache on your Windows 11 PC isn’t about constant tinkering; it’s a practical method to optimize performance, extend your system’s lifespan, and enjoy a hassle-free computing experience. Whether you’re troubleshooting a sluggish machine or simply aiming to keep your PC spruced up, the combined approach of using cleanup recommendations, Disk Cleanup, clearing the location cache, and flushing the DNS cache can make a tangible difference. Embrace these tools and stay ahead of sluggishness—after all, every little bit of optimization counts!
Feel free to share your tips and tricks below. Have you noticed a performance bump after clearing your cache? Let’s discuss and help each other keep our Windows 11 devices running smoothly!

Source: ZDNET How to clear the cache on your Windows 11 PC (and why it makes such a big difference)
 

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