After this, when you change the wallpaper or window color on one machine, the others shouldn’t be affected.You will then need to repeat this process on other Windows 10 computers that you sign in with the same Microsoft account, otherwise syncing will still happen in one direction.Under the Individual sync settings, turn off the Theme option. Click the Sync your settings tab on the left side to view all of the sync settings.(Optional) Click Manage virtual background to upload default background images available for users. Press the Windows logo key + I keyboard shortcut to open up the Settings app, and then click Accounts. (Optional) Check Allow users to upload custom backgrounds then Save to confirm the change, to grant your users access to upload their own virtual backgrounds in addition to the backgrounds currently uploaded.How to Stop Windows 10 from Syncing Desktop Wallpaper Between Computers? Now newer versions of Microsoft Edge browser (version 86.0 and later) come with a new feature which allows users to select and set their desired image as background on New Tab Page. If you’d rather have a different wallpaper on every computer, you can selectively disable theme syncing in Windows 10. In past, the background image on New Tab Page was automatically selected and changed by Microsoft Edge web browser and users had no option to change it. How do I stop wallpaper syncing between devices? By default, Windows 10 will automatically sync your settings (including wallpaper, theme, Web browser settings, passwords, and other Windows settings) to all your Windows devices where you log in with the same Microsoft account.