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.

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

Check the Xbox services, games, and apps for any service outages.

Create and format a hard disk partition. To create a partition or volume (the two terms are often used interchangeably) on a hard disk, you must be logged in as an administrator, and there must be either unallocated disk space or free space within an extended partition on the hard disk.

ReadyBoost lets you use a removable drive, like a USB flash drive, to improve your PC’s performance without opening your PC and adding more memory (RAM). To use ReadyBoost, you’ll need a USB flash drive or a memory card that has at least 500 MB free and a high data transfer rate.

Connect your Surface on Windows 10 to a TV, external display, or projector by using the Surface HD Digital AV Adapter or the Surface VGA Adapter.

We offer gamertags in the following alphabets/Unicode scripts: English basic, Latin, Latin extended, Latin extended-A, Hangul, Katakana, Hiragana, CJK Symbols (Chinese, Japanese, Korean), Bengali, Devanagari, Cyrillic, Greek, and Thai. These alphabets represent over 200 languages worldwide.

If your Windows PC is running slowly, there are some solutions you can try to help make it run better. Here are the tips in order of what you should try to fix the problem. To get more information about each tip, use the Tips to improve PC performance link at the bottom of this topic.

End of support for Cortana. We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023. Additionally, Cortana in Teams mobile, Microsoft Teams display, Microsoft Teams Rooms, Outlook mobile, and Microsoft 365 mobile was ...