Windows gives you the ability to take a snapshot of what is shown on your computer screen and save it as a file. You can then view this image at a later date to see what your screen looked like or ...

You can share the screen of your Mac computer with another Mac using the built-in Screen Sharing feature. Here's how to do it.

How to share your screen on FaceTime Give people a real-time view of what you’re looking at.

It's easy to share your screen on Skype on a computer or mobile device, as long as you have a strong enough connection to support it.

Sharing your screen can be useful. This guide shows you how to share your screen on Skype in several easy steps on PCs and mobile devices, including the iPhone.

Discord excels at community building and offers useful screen-sharing features. Here's how to share your screen on the Discord app.

Meetings are always easier when everyone can see what your working on. Here's how to share your screen on Zoom on any devcie.

There are plenty of built-in and third-party options available if you want to cast or share your Android screen to any other device.