Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Microsoft アカウントにサインインする方法 Microsoft アカウントは 、個人 向けであり、Outlook.com、Xbox、Skype などのサービスにアクセスするためのものです。 Microsoft 職場および学校アカウントは、ビジネス向け Microsoft 365 を使用する 組織 向けです。

To check if Windows 11 is ready for your device, go to Start > Settings > Update & Security > Windows Update and select Check for updates. If the upgrade is available for your device and you want to proceed, download and install it. Note: Downloading and installing Windows 11 will most likely take longer than a typical Windows 10 feature update.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Microsoft Edge makes it easy to save your passwords as you browse the web. When you enter a new password in the Edge browser on your desktop or mobile device, Microsoft Edge will ask if you want your username and password remembered. The next time you visit the site, the browser will finish filling in your account info. If you’re signed into Edge with your Microsoft account, these passwords ...

Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

Microsoft 365 を 初めて インストールする場合は、まずいくつかのセットアップ手順を実行する必要があります。 以下の詳細に関するセクションを展開してください。

Sign out of Hotmail or Outlook.com. To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing.

In Windows 11, the Camera settings page helps you manage the cameras connected to your device. On this page, you can:

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.