Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

On right side of the taskbar, select the Network icon > Cast > pick your display or adapter.

If your screen only has a Mini DisplayPort, you can set up the following connections—connect a USB-C to HDMI adapter to an HDMI cable then to an HDMI to Mini DisplayPort and then to your external screen. Keep in mind that the more adapters used, the more degraded the signal may get.

How we're rolling out the free upgrade to Windows 11. The free upgrade to Windows 11 is available based on hardware eligibility, reliability metrics, the age of your Surface, and other factors.

1. On your computer keyboard, press the Windows key and R at the same time to open the Run dialog box.

Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!

Windows 8.1以前のバージョンを実行している場合、または PC がWindows 11実行するための最小システム要件を満たしていない場合は、新しいWindows 11 デバイスに移行することを検討してください。 ニーズに合った PC を見つけます。 . ファイルやお気に入りを転送するように Microsoft アカウントを設定 ...

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

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.