windowscentral[.]com/software-apps/windows-11/6-registry-tweaks-every-tech-savvy-user-must-apply-on-windows-11
Windows Central's Mauro Huculak wrote a How-To for 6 tweaks -- you might find one or more useful.
#1 disables the Home screen in Settings, showing the System heading when Settings is opened. It's not much, but it lets you escape the ads, or whatever Microsoft is urging you to do, and get right to whatever you opened Settings for.
#2 disables automatic Windows Updates.
#3 lets you skip the lock screen -- the screen that shows up before you see the login box. Not a Huge time saver but I guess every little bit helps.
#4 prevents any results from Bing [Microsoft's search] from showing up when you perform a Start Menu or Taskbar search.
#5 *to me* is a biggy -- it's the 1st thing I've done every time I've installed/upgraded to Win11, and that's to bring back Win10's right click context menu. [It's actually the 1st thing I researched as soon as I installed the 1st Win11 Beta.]
#6 requires a bit of background explanation... Windows used to make a backup copy of the registry every time Windows successfully started. The empty folder where it was stored is still there: C:\ Windows\ System32\ config\ RegBack\. Microsoft turned those backups off to save disk space, and to be honest, restoring that backup requires more tech know how than simply resetting Windows, which Microsoft has been trying to make idiot proof since 3.1. To use the backup you have to replace the current registry files with those in the RegBack folder after booting to a USB stick or Windows To Go drive. Turning the registry backups back on involves adding a registry key followed by creating a new scheduled task to create the backups.