If you're running Windows 8.1 or earlier, or if your PC doesn't meet the minimum system requirements to run Windows 11, consider moving to a new Windows 11 device. Find a PC that meets your needs. Set up your Microsoft account to transfer files and favorites. One account connects your device across Microsoft apps and services like Microsoft 365, OneDrive, Edge, and Microsoft Store.

Find operating system info in Windows 8.1 or Windows RT 8.1. To find out which version of Windows your device is running, press the Windows logo key key + R, type winver in the Open box, and then select OK.. If your device is running Windows 8.1 or Windows RT 8.1, here’s how to learn more:

As you browse the web, you'll see an icon in the address bar that indicates the security of the connection to the site you're visiting. This icon helps you determine if you can safely send and receive information from the site.

Note: You might not be able to change the power mode when a custom power plan is selected.If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan.

Next to the password you want to change, select More actions , and then select Edit.

If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.

Uninstall from the Start menu. Select Start > All apps and search for the app in the list shown.

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.

To Insert this. Say this ' 撇 號 . 上 標 點 . 略 縮 號 -減 號 . 連 字 號 ！ 感 歎 號 . 驚 嘆 號 # 井 字 號 $ 美 元 符 號 % 百 分 號

In the search box on the taskbar, type device manager, then select Device Manager from the menu.