One benefit of signing in to your PC with a Microsoft account is that you can sync info between any PCs you use that are also running Windows 8.1 or Windows RT 8.1.
When you sign in with a Microsoft account, your PC is connected to Microsoft servers online, or "the cloud". This means that your personal settings and preferences are stored in OneDrive, and are synchronised to any PC that you sign in to. For example:
Your Start screen layout, chosen colours, themes, language preferences, browser history and favourites, and Windows Store app settings are synchronised between PCs.
You can get to and share your photos, documents and other files from OneDrive, Facebook, Flickr and other services on all your PCs without signing in to each one.
If you want to keep some of your personal settings more private, you can turn off synchronising for specific settings, or turn off synchronising entirely.
If you're having problems synchronising your settings, you can try running the Microsoft Accounts troubleshooter. It's an automated tool that can find and automatically fix some synchronising problems.
Although the Microsoft Accounts troubleshooter works in all languages, it's only available in English.
Swipe in from the right edge of the screen, tap Settings, then tap Change PC settings.(If you're using a mouse, point to the bottom-right corner of the screen, move the mouse pointer up, click Settings, then click Change PC settings.)
Tap or click OneDrive, then tap or click Sync settings.
Under the different settings categories, turn off the settings you no longer want to sync.
Under the Sync settings with OneDrive heading, turn off Sync your settings on this PC.
When you turn off synchronising between PCs running Windows 8.1 and Windows RT 8.1, some of your system and app settings will remain stored in the cloud. If you want to remove them, you must do so separately. To learn how, go to Deleting your personal settings from the cloud and sign in to your account.
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