To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.. I'm having trouble opening the Start menu

Windows Mail and Calendar apps. If you're using Windows Mail and Calendar and your accounts are supported in new Outlook, you will see a toggle in the upper right of the Mail app in Windows 10 and 11 to Try the new Outlook.. This option downloads the new app and switches your preferred email client.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

For keyboard shortcuts in which you press one key immediately followed by another key, the keys to press are separated by a comma (,). For example, for è you would press Ctrl + `, release and then type e.

In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

注: 職場または学校アカウントではなく、 Outlook.com、Hotmail、Live、MSN のメール アカウントなどの Microsoft アカウントでサインインした場合は、サインアウトしてから、正しいアカウントを使用してもう一度サインインします。 サインインしているアカウントがわからない場合 Outlook ...

To open the Start menu—which contains all your apps, settings, and files—do either of the following: On the left end of the taskbar, select the Start icon.

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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.