Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

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

Learn about different things you can try to fix Ethernet network connection problems in Windows

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Hotmail เปลี่ยนชื่อเป็น Outlook.com แล้ว เรียนรู้วิธีการลงชื่อเข้าใช้เพื่อเข้าถึงบัญชีอีเมล Outlook.com, Hotmail, Live หรือ MSN ของคุณ

Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.

As with past updates, we respect your active hours. Changes enabled via the cloud take a couple seconds to install, so they won't interrupt your work or spend device resources. Restarting can be scheduled at any time that's convenient for you.

了解如何在电脑或 Mac 上安装、重新安装或激活 Microsoft 365 或 Office 2019。