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.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Activate Microsoft 365 or a non-subscription version of Office. When you start an Microsoft 365 app that's not activated, you'll be prompted to sign in to Microsoft 365. Be sure to sign in using the Microsoft account, or work or school account, that you used to buy or subscribe to Microsoft 365.

How to help keep your Microsoft account safe and secure. Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

After this time, you may be billed, and you’ll need to request a refund to cancel your order. For more info about digital game pre-orders, see: Pre-order Xbox digital games in the Microsoft Store. Visit the links below to find out about refunds for other types of products: Xbox subscription cancellations and refunds.

You can't open or copy previous versions of files that were created by Windows Backup, but you can restore them. To restore a previous version, select the previous version, and then select. The file or folder replaces the current version on your computer, and the replacement can't be undone.

Xbox Game Pass Ultimate includes all benefits of Xbox Game Pass Core, which gives you access to multiplayer games on your console. (Free-to-play games include online multiplayer without an Xbox Game Pass Core subscription.) Windows games in the catalog don’t require a separate subscription for online multiplayer gaming.

The enablement package is a great option for installing a scoped feature update like Windows 11, version 23H2 as it enables an update from version 22H2 to version 23H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.