Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Turn Microsoft Defender Firewall on or off - Microsoft Support
Under Microsoft Defender Firewall, switch the setting to On. If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator. To turn it off, switch the setting to Off .
Phone Link help & learning
See plans and pricing. Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.
Installing Microsoft Defender - Microsoft Support
Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link.
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Use voting buttons in messages - Microsoft Support
In an open message, on the Message tab, in the Respond group, click Vote, and then click the option that you want. The sender can see all responses in a table. On one of the response messages, click the The sender responded line in the message header, then click View voting responses.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Make older apps or programs compatible with Windows
Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.
Request a refund for digital games | Xbox Support
We understand that sometimes purchases of digital game products don’t go as planned. When that happens, we’ll help you request a refund. Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date.
Description of Microsoft System Information (Msinfo32.exe) Tool
Start System Information connected to a remote computer. Use the following syntax in the command prompt to run the MSINFO32 command on computers that are running Windows 7, Windows 8.1, and Windows 10: Msinfo32 [ /nfo Path] [ /report Path] [ /computer ComputerName] Parameters Path.
Use the dial pad to make a call in Microsoft Teams
The dial pad can be used like a typical phone to make a call to a phone number. (You can also type in names or groups.) To dial a number from Teams, go to Calls, and then enter the number of the person you want to reach by using the dial pad located on the left. Then click Call.
Applies To: Microsoft Teams
使用系统文件检查器工具修复丢失或损坏的系统文件 - Microsoft 支持
本文介绍如何在 Windows 8.1、Windows 8、Windows 7 或 Windows Vista 中使用系统文件检查器工具来解决丢失或损坏的系统文件的问题。.
激活 Windows - Microsoft 支持
Windows 激活方法. 取决于你获取 Windows 11 副本的方式,你需要数字许可证或由 25 个字符组成的产品密钥才能激活该副本。. 如果二者都不具备,则无法激活你的设备。. 数字许可证(在 Windows 11 版本中称为数字授权)是 Windows 11 的一种激活方法,该方法不需要输入 ...