Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

On the General tab, under Home page, enter the URL of the site you want to set as a homepage.You can add more than one URL. Or, to add the site you're currently viewing, select Use current.If you add more than one URL, put each URL on its own line.

Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Note: If you are in tablet mode, you may not be able to see your desktop icons properly.You can find the program by searching for the program name in File Explorer. To turn off tablet mode, select action center on the taskbar (next to date and time), and then select Tablet mode to turn it on or off.

How to open the Camera app in Windows. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened.. Open Camera

Blur. Select the Blur option, then use the slider to adjust the Blur intensity, then select Apply to blur the background.. Remove. Select the Remove option, then select Apply to remove the image background.. Replace. Select the Replace option, then use the color palette to select the background color. Alternatively, you can specify the RGB values for the desired color.

For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.