Click once on each of the files you want to move to the virtual desktop. Once the files are highlighted, right-click and select "Copy." Open the virtual desktop and log in, if prompted.

Want to sign into a computer from another desktop or a mobile device? Here's how to use Google's Chrome Remote Desktop to make the connection.

When it comes to using a Windows laptop as a second screen for a Windows desktop, the secret ingredient is the streaming standard Miracast, so no cables or connections of any kind are required.

Clean up the clutter on the screen you see most. Use Mac desktop Stacks to organize files, images, screenshots, or whatever you save to that popular spot.