Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Microsoft Edge 新しい Microsoft Edge のホーム ページを変更する方法を次に示します。 Microsoft Edge を開き、[設定など] > [設定] の順に選択します。

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

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Things to try to fix touchpad problems in Windows 10 and 11. If your touchpad isn’t working, it may be a result of a missing or out-of-date driver.

We want to hear from you! Please continue to share your feedback with us — either in the Google Play Store, directly in the Phone Link and Link to Windows apps, or at the bottom of this article.

Use your scanner and download an app from Microsoft Store to scan a document or picture to your PC.

检查你的版本 DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.