You can change the lock screen on your Windows computer by customizing the background image and specifying what supplemental ...
If you're a multitasker, you may be prone to having several tabs, browsers and applications open at a time. In fact, your current screen is probably filled with Chrome, Safari, Spotify and then some.
To use an iPad as a second screen on a Windows 10 computer, you'll need to use a third-party app like SplashTop.