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

トレーニング: Microsoft の個人、職場または学校のアカウントで Office.com にサインインします。 その方法については、このビデオをご覧ください。

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

Learn how to manage background activity for apps to help save battery power in Windows.

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

Microsoft アカウントにサインインするためのエイリアスを使用した Microsoft アカウントのメール アドレスまたは電話番号を変更する方法について説明します。

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Informazioni su come installare, reinstallare o attivare Microsoft 365 o Office 2019 in un PC o un Mac.

Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.