Clearing the cache and removing temporary files can speed up your PC. Even better: all of these utilities are already on your computer.
Microsoft's official 24H2 update for Windows 11 has been hit with one bug after another. But a variety of have finally been patched.
How-to: Rollback to Windows 11 23H2, uninstall Windows 11 24H2 and downgrade until Microsoft fixes inherent issues.