Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

Windows の回復オプションについて説明します。 PC を初期状態に戻す方法、以前のバージョンの Windows に戻す方法、メディアを使って Windows を再インストールする方法を説明します。

Learn how to use digital signatures, digital IDs, and signature lines in Microsoft 365 files, such as Word, Excel, and PowerPoint.

When you’re connected to the internet and using a proxy server while browsing the web, that traffic goes through the proxy server instead of coming directly from your Windows 11 PC.

If you have multiple accounts in Outlook, when you compose a new email message, Outlook picks the default account as the From account.However, if you want to Reply, Reply All, or Forward a message, Outlook will send your message with the same account the original mail was sent to.For example, Cheryl has two accounts.

Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.

If you loved the free solitaire games from earlier versions of Windows, we've wrapped them all up in one convenient app, the Microsoft Solitaire Collection.

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

Use the Settings app in Windows to send files over Bluetooth.

Learn how to use auto color management in Windows 11 to get accurate colors on your PC.