If you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store. Microsoft Store is familiar on any device—you can search for free and paid apps like Adobe Reader, view their popularity and ratings, and download them to your device.

Learn how to use keyboard shortcuts in Word to add accent marks, special characters, symbols, and more.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

ただし、Microsoft 365 を再インストールするときに、既にプロダクト キーを取得していてアカウントに Microsoft 365 を関連付けている場合は、「 サインインして Office をダウンロードする 」セクションを参照してください。

On the Windows 10 download page, download the media creation tool by selecting Download now, then run the tool. In the tool, select Create installation media (USB flash drive, DVD, or ISO) for another PC > Next. Select the language, architecture, and edition of Windows, you need and select Next. Select ISO file > Next, and the tool will create ...

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決策を試してください。

Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Some sites are built to work with Internet Explorer and have functionality that isn't supported by modern browsers such as Microsoft Edge. If you need to view one of these sites, you can use Internet Explorer Mode in Microsoft Edge.

Learn how to recover files that have been lost, deleted, or accidentally changed.