When Windows feels sluggish on an otherwise capable PC, the instinct is to reach for the wallet — a faster SSD, more RAM, a new GPU. Those hardware upgrades help in obvious, measurable ways, but they’re not the only levers you can pull. Six Windows settings — power plans, startup app control, Storage Sense, background app permissions, search/indexing scope, and Delivery Optimization — routinely change perceived system performance more than incremental hardware upgrades. Tweak them carefully...