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.
查找 Windows 产品密钥 - Microsoft 支持
查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时,通常需要产品密钥。 通常,如果购买的是实物 Windows 拷贝,产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。
Applies To: Microsoft account dashboard
How to add new Xbox friends | Xbox Support
Learn how to add new Xbox friends so you can quickly find them online and get set for your next gaming adventure.
Set up text messaging as your verification method
Set up text messages from the Security info page. Depending on your organization’s settings, you might be able to use text messaging as one of your security info methods.
如何更改 Microsoft 帐户上的出生日期 - Microsoft 支持
如何更改成人 Microsoft 帐户上的出生日期. 使用要更新的帐户凭据编辑 Microsoft 帐户配置文件。 登录
Applies To: Microsoft account dashboard
Microsoft Authenticator 常见问题解答 - Microsoft 支持
本文解答了有关 Microsoft Authenticator 的常见问题。 选择下面的标题可查看详细信息。
安装 Visio 或访问 Visio 网页版 - Microsoft 支持
了解如何安装 Visio 2013 和 2016 以及 Visio Pro for Microsoft 365。
Applies To: Visio Plan 2, Visio Professional 2021, Visio Standard 2021, Visio Professional 2019, Visio Standard 2019, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com
查找并锁定丢失的 Windows 设备 - Microsoft 支持
“查找我的设备”是一项功能,可帮助你在设备丢失或被盗时找到Windows 10或Windows 11设备。 要使用此功能,请使用 Microsoft 帐户登录设备并确保你是设备管理员。
Applies To: Microsoft account dashboard
Optimizations for windowed games in Windows 11
How to improve gaming on your Windows 11 PC by making use of the optimization for windowed games settings.
升级到 Windows 10 专业版 - Microsoft 支持
了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。
Office Help & Training
We would like to show you a description here but the site won’t allow us.