Learn how to install Office 2013 on your PC or Office for Mac 2011.

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store.Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

Summary. Windows 10, versions 2004, 20H2, 21H1, and 21H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 21H2 are included in the latest monthly quality update for Windows 10, version 2004, 20H2, and 21H1, but are in an inactive and dormant state.

Learn how to type a letter online using Word for the web. Choose a letter template for online letter writing. Edit, send or print your letter online.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Get steps for how to change screen brightness in Windows.

If you need help with Outlook.com, you can read our self-help content, or get support via email.

The new Bing is now available to everybody directly from the Windows taskbar, making more ways to interact with your PC across search, answers, chat, and creation available anytime, right on your desktop.

Defragment your Windows 10 PC. Optimizing your drives can help your PC run smoother and boot up faster.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.