How to sign in to Outlook on the web, access your email, contacts, and calendar.

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Get the steps for how to transfer photos and videos from your portable devices to your PC.

In the new Teams, you can switch between apps, respond to chat messages, and join meetings and calls more quickly while using less battery and memory.

Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.