For Android, you can get our beta app by joining our public Android Insiders group. For iOS, you'll first need to install TestFlight on your iOS device. You can find it here or in the App Store. Once TestFlight is installed, you can join from your device. You'll then be able to download and install our beta app via TestFlight.

Learn what to do if you see error 0x803F9006 when you start a game or app on your Xbox console.

Beta Ring (2605.260423-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Beta ring today. Continue reading below to learn all about what's included with this update.

若是 iOS，您必須先在 iOS 裝置上安裝 TestFlight。 您可以在 這裡 或在 App Store 中找到它。 安裝 TestFlight 之後，您就可以 從您的裝置加入。 然後，您就可以透過 TestFlight 下載並安裝我們的 Beta 應用程式。

Learn how to fix email issues for error code 5.7.515 when sending email to Outlook.com (the sending domain does not meet the required authentication level).

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

Lists the error codes that may be reported by Device Manager and the possible resolutions in Windows.

Learn how to fix issues with Microsoft Store showing Error 0x80131500 or "Try that again".

Many different events in your day-to-day life flow through email. From airline tickets to car rental reservations and package delivery information, you receive a vast amount of information in Outlook that you might want to keep track of. Outlook automatically retrieves important events from your email for supported senders and adds the items to your calendar so you don't have to.

Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.