Windows 11 is, well, shit. But, Windows is modular, and pretty much everything can be removed or modified with the right tools and knowhow.
Here's a 23 minute special showing how to un-enshittify Windows 11 from stock install to finish, using open source and/or completely free tools.
https://peertube.wtf/w/pqMrXFbzpJAS4r5NRj5o8j
EDIT: The tools links
Windows Debloater - https://github.com/Raphire/Win11Debloat
Winaero Tweaker - https://winaero.com/winaero-tweaker/
OpenShell - https://github.com/Open-Shell/Open-Shell-Menu
WindHawk - https://windhawk.net/
Activator - https://github.com/massgravel/Microsoft-Activation-Scripts
StopUpdates - https://greatis.com/stopupdates10/
