Support for home products. Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience. Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft ...

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Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.

Use the Settings app in Windows 10 to receive files over Bluetooth.

PC に Office 2013 または Office for Mac 2011 をインストールする方法について説明します。

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Learn about Windows service packs and download the latest updates for Windows 10 and Windows 8.1

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

It's easy to attach pictures, files, and other items to your Outlook messages. Outlook keeps track of the documents you’ve recently worked on, whether they're stored on your computer or saved in OneDrive (cloud only).

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification