No matter your reasoning, there are different ways you’re able to go about completing the downgrade.
You don’t need yourproduct keyto downgrade to Windows 10 as long as Windows 11 is activated.
SelectRecovery options(it might be calledRecoveryon some PCs).

ChooseGo backfrom the list of options.
Microsoft may ask why you want to downgrade to Windows 10.
Select a reason, such asMy apps or devices don’t work on Windows 11.

If you’re asked to check for updates before continuing, selectNo, thanks.
Download Windows 10 from Microsoft.
You’ll get the Media Creation Tool.

bring up the Media Creation Tool and selectAccepton the notices and license terms screen.
ChooseUpgrade this PC now, then pressNext.
This may take some time depending on your internet and computer speed.

Read the license terms again, then pressAccept.
SelectNexton theChoose what to keepscreen.
Now is a good time toback up any filesyou want to keep, if you haven’t already.

ChooseInstallon the final screen titledReady to install.
your box will restart a few times as it finishes installing Windows 10.
ChooseCheck for Updates; if the Windows 11 update is offered, selectDownload and Install.

Windows 11 should take between 10 and 20 minutes to install in most cases.
Tostop Windows 11 updates, launch theStartmenu and selectSettings>System>Windows Update.
In thePause Updatessection, choose the length of time for which you want to pause Windows 11 updates.

This stops all active downloads and halts any installation currently happening.