Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

Learn about what effect closing a Microsoft account might have on your other apps and services.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Quick Assist lets someone you trust take over your Windows 10 or Windows 11 PC and fix a problem from wherever they are.

There are some solutions you can try. First steps if your Surface Type Cover or Keyboard doesn't work. To try to resolve these issues, you can begin by following the steps below to get the latest updates, detach the Type cover or keyboard, force a restart, reattach the Type Cover or Keyboard, or confirm connectivity.. Get the latest updates

If you already have an account signed in to OneDrive and you want to add or remove another account, you’ll do that in OneDrive Settings.

Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji.

Learn how to download, install, and configure additional language packs for your version of Windows.