Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

KB5034441: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: January 9, 2024

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汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：

Instructions to resolve issues when PowerPoint 2013 or PowerPoint 2016 doesn't respond, hangs, or freezes.

Troubleshooting steps for the calling feature of the Phone Link app.

Hotmail เปลี่ยนชื่อเป็น Outlook.com แล้ว เรียนรู้วิธีการลงชื่อเข้าใช้เพื่อเข้าถึงบัญชีอีเมล Outlook.com, Hotmail, Live หรือ MSN ของคุณ

A Microsoft account is a personal account required for access to Microsoft’s products and services.

Find out how the Windows location service works and how to change the location privacy settings.

Get help with Skype for Business. Skype for Business 2016 Training. Video: What is Skype for Business? Video: Download and install Skype for Business (video)