Paid tools:
Start11 – brings back 10, 8.1 or 7 start menu
Free hacks:
Move the menu bar back to the left:
Open the Settings pane
Select Personalization from the left pane.
Look for the Taskbar option in the right pane and click on it.
Locate the Taskbar behaviors option and click to expand it.
Click on the down arrow after the Taskbar alignment option.
Select Left (instead of Center) from the drop-down menu.
Open Shell – still works to bring back the classic menu
Registry key to bring back classic file explorer
More links to bring back features you want to Windows 11
Susan Bradley Patch Lady/Prudent patcher