Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Get tips for how to set up and test microphones in Windows.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

Learn how to set up and configure Outlook so that you can begin to use it.

Learn how to download, install, and use the PC Health Check app to check your device's compatibility with Windows 11 and get tips to improve its performance.

Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。

See how to find things you've downloaded on your PC.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.