Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

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.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

These are common tricks of scammers. - If you suspect that an email message, or a message in Teams is a scam, the link. Look at the address that pops up when you hover over the link. Ask yourself if that address matches the link that was typed in the message.

Ineligible enforcements include those with shorter duration periods, content takedowns with no accompanying service suspension, and suspensions that are no longer active. Sign in to your account to view your enforcements. Find out how to submit a case review and learn more about your Xbox enforcements.

If you find that you’re not running the most current version of Internet Explorer for your operating system, you can download it using one of the available links at the Internet Explorer Download Center.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...

Google Play 商店在中国不可用，因此只能从以下商店下载Microsoft Authenticator：. 百度. 联想. 华为. Samsung. 注意: 我们会尽量使所有应用商店版本保持最新状态，但Microsoft不对其他网站上提供的版本负责。. 未在中国使用 Authenticator？. 可以从 Google Play 商店 下载并安装 ...