Learn how to activate Microsoft 365 or a non-subscription version of Office using a product key, a Microsoft account, or a trial. Troubleshoot activation errors and get help with Office.com/setup.

Learn how to locate your 25-character product key or digital license for Windows 10, Windows 11, Windows 8.1, or Windows 7. See where to find the product key on your device, box, or sticker, or how to contact the manufacturer if you've lost it.

Learn how to access the web-based version of Outlook for work or school accounts. Find out how to enter your email and password, use two-factor authentication, and troubleshoot common sign-in problems.

Learn how to deal with phishing and spoofing scams in Outlook.com, a free email service from Microsoft. Find out how to spot, report and block malicious messages and protect your personal information and money.

Learn how to activate Windows 11 using a digital license or a 25-character product key. Find out how to check your activation status, link your Microsoft account, and troubleshoot activation issues.

Hotmail is now Outlook.com, but you can still access your email account with the same username and password. Learn how to sign in, troubleshoot common issues, and get help with Outlook.com features and services.

Learn how to fix your PC problems with different recovery options, such as resetting your PC, restoring from a system restore point, or using installation media. Find out which option to use depending on your situation and follow the steps to try to get things working again.

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

Find the right help and support for your Microsoft products, services, and solutions. Sign in to get self-help options, live chat with a specialist, or explore more support resources.

Find out how to get help for Microsoft 365 products and services, depending on your subscription type and product version. Chat or request a call back from a technical support expert, or use the search box, the community forum, or the Microsoft Store for more information.