More help If you're using a work or school account and couldn't install classic Outlook following the steps above, contact the IT admin in your organization for assistance.

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

If hardware was changed on a Windows device in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

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

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

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?

Driver updates for most hardware devices in Windows are automatically downloaded and installed through Windows Update. Windows Update updates drivers for various hardware including network adapters, printers, scanners, and video cards. Drivers updated through Windows Update are normally recent and up to date. However, drivers can also be updated through Device Manager. Drivers updated through ...

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: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.