You can take screenshots. Jewelry e-school is a jewelry learning course training software. In the process of learning, you can use computer screenshots to take screenshots, such as QQ screenshots: the most commonly used shortcut key Ctrl+Alt+A, WeChat screenshots: WeChat pressing Alt+A is to open the screenshot function, and keyboard screenshots: careful friends will find that there is a PrintScreenSysRq key on the computer keyboard, which can be used to take full-screen screenshots of the computer, but some screenshots are not supported.