Learn about add-ons in Internet Explorer, including how to turn add-ons on or off, delete installed add-ons, and use Enhanced Protected Mode.
Learn how to add languages to Windows and to change your keyboard or input method.
Learn how to add, view, and manage devices connected to your PC, and to troubleshoot one that isn't working properly.
How to add accounts from web services like Facebook, LinkedIn, or Twitter to your Microsoft account.
Add Windows Media Center to Windows 8.1 so you can watch and record live TV. Get Windows 8.1 Pro pack or Windows 8.1 Media Center Pack.