If you're unable to activate Windows 11, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > System > Activation , and then select Troubleshoot . Open Troubleshoot settings. You must be signed in as an administrator to use this option.

If your name, billing address, expiration date, or CVV number has changed for your Microsoft account payment method, you can update it. Update your payment method online. Sign in to the Payment options page with your Microsoft account.

Check warranty status. To check the warranty status for Microsoft accessories like mice, keyboards, cameras, or headsets, contact us . For more detailed info, see Check your Microsoft warranty and create service orders or Manage devices used with your Microsoft account.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Turn your Windows PC into a mobile hotspot by sharing your internet connection with other devices over Wi-Fi. You can share a Wi-Fi, Ethernet, or cellular data connection. If your PC has a cellular data connection and you share it, it will use data from your data plan.

Collections in Microsoft Edge helps you keep track of your ideas on the web, whether you're shopping, planning a trip, collecting notes for research or lesson plans, or just want to pick up where you left off the last time you were browsing the internet.

All Outlook Data Files (.pst) and Offline Data Files (.ost) are listed along with the name of the account the files are associated with. If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

访问小型企业帮助和学习. 获取 Microsoft Edge 的帮助和支持。. 查找 Microsoft Edge 支持内容、操作方法文章、教程等。.

激活 Windows 时遇到问题？. 首先，在“获取帮助”应用中尝试激活疑难解答。. 获取帮助可指导你完成解决大多数激活问题的正确步骤。. 打开“获取帮助”. 检查 Windows 激活状态. 首先需要查看 Windows 11 是否已激活并链接到你的 Microsoft 帐户。. 将 Microsoft 帐户链接 ...

This update provides support for Transport Layer Security (TLS) 1.1 and TLS 1.2 in Windows Server 2012, Windows 7 Service Pack 1 (SP1), and Windows Server 2008 R2 SP1.