Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Internet Explorer 11 support ended on June 15, 2022. Switch to Microsoft Edge for a faster, more secure and more modern web browsing experience.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

[設定] の [Windows Update] ページにアクセスするための推奨オプションなど、Windows 11 をインストールする方法をご覧ください。