If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

Manage devices used with your Microsoft account. Adding a device to your Microsoft account helps you see its warranty status, get support or request service. You can also find or lock it if it's lost. On this page: Add | Register | Repairs | Rename | Remove | Unlink | Find & lock.

Manage email accounts in Outlook.com. Unblock my Outlook.com account. Supported browsers for Outlook on the web and Outlook.com. If you sign in with a work or school account, read How to sign in to Outlook on the web.

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

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.

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

Restart (reboot) your PC. Go to Start , select the Power button, and then select Restart . Was this information helpful? Select the Start button, then Power > Restart.

If any site you visit needs Internet Explorer 11, you can reload it with Internet Explorer mode in Microsoft Edge. Get started with Microsoft Edge. To find out which version of Internet Explorer you should be running, check the info for your version of Windows.

Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.