Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Troubleshooting verification code issues. Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Stay safe with a genuine Office license. After launching an Office app, you might receive a message that says Get genuine Office. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

你可以随时取消 Xbox 订阅。. 关闭定期计费将停止订阅的未来扣费，并使你在订阅到期之前使用其权益。. 你也可能有资格立即取消并获得退款；但不是所有订阅费用都能退款。. 了解如何在下面的“取消订阅”部分中取消 Xbox 订阅并检查退款资格。. 在以下国家 ...

下面介绍 Xbox Game Pass 订阅者如何将其 Game Pass 订阅权益扩展给朋友和家人。. 在家：将你的主要 Xbox（如果有多个）设为常用 Xbox，这会让使用其档案登录该主机的任何人都能够使用你的 Game Pass 订阅。. 常用 Xbox 和游戏共享的工作原理.

If you're having trouble getting your verification code for your personal Microsoft account, see Troubleshooting verification code issues. If your question wasn't answered here, we want to hear from you. Post your question to the Microsoft Authenticator forum to get help from the community.

软件只授予使用许可，而非出售 。 除非依据单独协议您具有商业使用之权利，否则您只能将 Word 、 Excel 、 PowerPoint 和 OneNote 用于个人、非商业用途。

Follow these steps to reset your Microsoft account password. Follow the steps on this page to change the Microsoft account email address or phone number (also known as your account alias or username) that you use to sign in.

A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.

Microsoft account dashboard. There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.