When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Note: If you don't see Extensions to the right of your browser address bar, select Settings and more > Extensions. Select Get Extensions for Microsoft Edge . Find the extension you'd like to add and select Get .

如果我的设备上没有管理员权限，该怎么办？ 若要完全升级到新的 Microsoft Edge，必须使用管理员帐户登录到设备。

Windows PC でアプリ、設定、ファイル、写真、Microsoft Edge のお気に入りとユーザー設定をバックアップする方法について説明します。

If your printer isn't in the list, next to The printer that I want isn't listed, select Add manually, and then follow the instructions to add it manually using one of the options. If you’re not able to connect the printer manually, try to fix the problem by using the steps in Fix printer connection and printing problems in Windows .

If you know that you haven't set up your device or your account yet, you can follow the steps in the Set up my account for two-step verification article. I have a new phone number and I want to add it. If you have a new phone number, you'll need to update your security verification method details. This enables your verification prompts to go to ...

After you create your drop-down list, make sure it works the way you want. For example, you might want to check to see if Change the column width and row height to show all your entries.. If the list of entries for your drop-down list is on another worksheet and you want to prevent users from seeing it or making changes, consider hiding and protecting that worksheet.

Microsoft サポートにお問い合わせください。一般的な問題の解決策を見つけるか、サポート エージェントからサポートを ...

Type about in the search box on your taskbar, and then select About your PC.. View your PC info