Disabling animations and visual effects can improve the responsiveness of Windows 11. To disable visual effects, navigate to HKEYCURRENTUSERSoftwareMicrosoftWindowsCurrentVersionExplorerVisualEffects, create a DWORD value named VisualFXSettings, and set its value to 2.
To allocate fewer resources to background apps, go to ComputerHKEYLOCALMACHINESOFTWAREMicrosoftWindows NTCurrentVersionMultimediaSystemProfile, double-click on SystemResponsiveness, and change the Base Decimal value from 20 to 10.
To speed up shutdown, navigate to ComputerHKEYLOCALMACHINESYSTEMCurrentControlSetControl, double-click on WaitToKillServiceTimeout, and set the value from 5,000 milliseconds to 2,000 milliseconds.
To reduce startup delays, go to HKEYCURRENTUSERSoftwareMicrosoftWindowsCurrentVersionExplorer, create a new key named Serialize, then create a DWORD (32-bit) Value named StartupDelayInMSec and set its value to 0.
To prioritize applications and enhance system responsiveness, navigate to HKEYLOCALMACHINESOFTWAREMicrosoftWindows NTCurrentVersionMultimediaSystemProfile, double-click on SystemResponsiveness, and adjust it from 14 to 10.