When you sign in to a Windows 10 or Windows 11 device with your Microsoft account, that device will get added and linked to your Microsoft account.
When you add a device to your Microsoft account, you can access online features for your device from your Microsoft account devices page at Microsoft.
If you no longer use a device or sign in to the device with your Microsoft account, you can remove the device from your Microsoft account devices list to unlink it.
This tutorial will show you how to remove a Windows 10 or Windows 11 device from your Microsoft account.