Microsoft アカウントとは - Microsoft サポート
Microsoft アカウントは何に使用されますか? Windows PC、Xbox 本体、または Office、Outlook.com、OneDrive、Xbox Live、Microsoft 365、Family Safety、Skype、Bing、Microsoft Store、MSN などの Microsoft の製品とサービスにサインインするには、Microsoft アカウントが必要です。
Applies To:
Microsoft account dashboard
Sign out or remove an account from Microsoft Teams
Sign out of Teams. While it's a good idea to remain signed in to continue receiving chats, notifications, incoming calls, and other activities, sometimes you might want to sign out of Teams to use another account or for other reasons.
Applies To:
Microsoft Teams
32-bit and 64-bit Windows: Frequently asked questions
To install a 64-bit version of Windows, you need a CPU that's capable of running a 64-bit version of Windows. The benefits of using a 64-bit operating system are most apparent when you have a large amount of random access memory (RAM) installed on your computer, typically 4 GB of RAM or more.
What to try if your touchscreen doesn't work - Microsoft Support
In Settings, select Update & Security , then Windows Update , and then select the Check for updates button. Install any available updates and restart your PC if required.
What to try if your Surface touchscreen doesn't work
Solution 4: Reset Surface. If you’re still having a problem with your touchscreen, try resetting your Surface. To learn how, see Restore or reset Surface for Windows and follow the recommended steps for "Reset this PC.". After the reset and device setup, use touch to open an application like Microsoft Edge or another web browser, and try to scroll pinch to zoom, swipe in from the right, and ...
Options for using Windows 11 with Mac® computers with Apple® M1®, M2 ...
32-bit Arm apps available from the Store in Windows are not supported by Mac computers with M1, M2, and M3 chips. 32-bit Arm apps are in the process of being deprecated for all Arm versions of Windows.
Office Help & Training
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Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.
Set up the Microsoft Authenticator app as your verification method
For step-by-step instructions about how to verify your identity with a text message (SMS), see Set up security info to use text messaging (SMS). Mobile device or work phone call: Enter your mobile device number and get a phone call for two-step verification or password reset. For step-by-step instructions about how to verify your identity with ...
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.