Windows 11 Gaming Optimization: What Still Works in 2026

The settings that measurably help

Windows 11 ships in a configuration tuned for laptops and battery life on a distribution that includes a great many machines that are not gaming PCs. Several of its defaults cost you performance on a desktop. These are the ones worth changing.

1. 1

   Set the power mode to Best performance

   Settings > System > Power & battery > Power mode. The Balanced default parks CPU cores and ramps clocks lazily, which shows up as inconsistent frame times rather than a lower average. On a desktop there is no reason not to change this.

2. 2

   Turn Game Mode on

   Settings > Gaming > Game Mode. It deprioritises background scheduling and blocks Windows Update restarts and driver installs while you are playing. The frame-rate effect is small; the interruption prevention is worth it on its own.

3. 3

   Enable windowed-game optimizations and variable refresh rate

   Settings > System > Display > Graphics > Change default graphics settings. Turn on both. The first gives borderless-windowed games a presentation path with latency close to exclusive fullscreen; the second lets windowed games use G-Sync or FreeSync.

4. 4

   Disable Xbox Game Bar background recording

   Settings > Gaming > Captures, and turn off 'Record what happened'. Continuous background capture reserves GPU encoder resources and costs frames for a feature most players never use.

5. 5

   Prune startup applications

   Task Manager > Startup apps. Disable launchers, RGB utilities, printer helpers and updater services. Each one holds memory and, in the case of overlay software, injects into your game process. This is one of the most reliable stutter fixes on older systems.

6. 6

   Confirm your games are on an SSD

   Several 2025-2026 releases now list an SSD as a hard requirement and stutter badly on mechanical drives. Moving a game off an HDD does more for traversal hitching than any registry key you will find online.

7. 7

   Set your monitor to its full refresh rate

   Settings > System > Display > Advanced display. Windows frequently defaults a high-refresh monitor to 60 Hz after a driver install or cable change. Check this - it is the single most common cause of 'my new monitor does not feel any different'.

The one setting you have to test rather than set

Hardware-accelerated GPU scheduling (HAGS) moves parts of frame scheduling from the driver onto the GPU itself. Settings > System > Display > Graphics > Change default graphics settings.

• It is required for DLSS Frame Generation. If you use frame generation, it must be on.
• On many recent CPU and driver combinations it slightly improves frame-time consistency.
• On some systems - particularly older CPUs and certain driver revisions - it introduces stutter.
• There is no way to predict which case you are in from specifications alone.

Benchmark the same scene twice, once in each state, and keep whichever gives you better 1% lows. Anyone telling you confidently to always turn it on or always turn it off has not tested it on enough machines.

Tweaks that no longer do anything

These circulate endlessly. All of them were either fixed by Microsoft years ago, apply to a Windows version no longer in use, or never worked in the first place.

Debloating: the honest version

Debloating scripts are popular because the theory is intuitive: less software running means more resources for the game. In practice the theory does not survive measurement, because the things these scripts remove were not consuming CPU while you played.

What debloating actually gets you is disk space, a shorter Start menu, and fewer notifications. Those are legitimate reasons to do it. Frame rate is generally not one, and aggressive scripts routinely break Windows Update, the Microsoft Store, Xbox services, Widgets, and in some cases the Windows Security interface - which anti-cheat systems for several major games check.

The genuinely useful subset - removing startup entries, uninstalling preinstalled vendor utilities on prebuilt machines, and disabling background app permissions for apps you do not use - is available through the normal Settings interface and does not require a script at all.

Tweaks that trade security for frames

Two changes in this category come up constantly. Both are real gains and both cost you something. We list them because pretending otherwise would be dishonest, not because we think you should apply them by default.

There is no third option that gives you the frames without the exposure. Decide deliberately, and if the machine handles banking, work accounts or anything you would mind losing, leave both enabled.