Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

If you're running Windows 8.1 or earlier, or if your PC doesn't meet the minimum system requirements to run Windows 11, consider moving to a new Windows 11 device. Find a PC that meets your needs. Set up your Microsoft account to transfer files and favorites. One account connects your device across Microsoft apps and services like Microsoft 365, OneDrive, Edge, and Microsoft Store.

To change your screen resolution, use the drop-down menu under Display resolution.. Note: You should use the Recommended resolution. If you change the resolution, content might appear blurry or pixelated.

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

Free. A Free badge means an active Microsoft 365 Family or Personal subscription isn't associated with the account you signed in with. Only the free web versions of Word, Excel, and PowerPoint are available to you. To access these apps in your browser, all you need to do is to sign in to Microsoft365.com with your Microsoft account and select the app you need from the app launcher .

Sign in to a work/school account using a remote computer. Many apps allow you to authenticate by entering a code on another device such as a PC.

Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.

Note: You might not be able to change the power mode when a custom power plan is selected.If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons: