Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

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

Add your accounts to Microsoft Authenticator. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: Agreement for Microsoft Services. Microsoft Software License Terms.

透過此流程，您將會看到您的 Surface 是否還在保固期，以及需要多少費用 (如果適用)。 根據產品的不同，提供的服務可能是維修或整修更換。 建立訂單後，您將得到可以寄送裝置的地址。 如需詳細資訊，請繼續前往常見問題集。 親自支援服務中心

Looking for help? For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site.

Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.

If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or provide any personal information.