Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Probieren Sie diese Lösungen aus, wenn Sie sich nicht bei Ihrem Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto anmelden können oder nicht sicher sind, wie Sie sich an- oder abmelden.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

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

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Learn how to find your Windows product key for activation or when to use a digital license instead.

How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。