Things to try if you've purchased Copilot but don't yet see it in your Microsoft 365 apps.

This article has guidance for: Organizations with IT-managed Windows devices and updates.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Xbox Support ... Xbox Support

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Having problems with your product key?

This cumulative update for Windows Server 2022 (KB5082142), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information ...

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

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

Microsoft正在对永久许可证的激活体验进行现代化改造。 从 2025 年 12 月 3 日起，传统的基于电话的产品激活自动化过程已从电话转移到在线。 客户将改用产品激活门户： 产品激活门户 新的数字工作流提供更安全、更可靠且用户友好的激活体验，并有助于防止欺诈。 虽然该过程已更新，但脱机激活 ...

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.