How do I split my screen on Windows 10?

Using the mouse:

• Drag each window to the corner of the screen where you want it.
• Push the window’s corner against the screen corner until you see an outline.
• MORE: How to Upgrade to Windows 10.
• Repeat for all four corners.
• Select the window you wish to move.
• Hit Windows Key + Left or Right.

How do I split my computer screen?

Right-click any empty area of your desktop, and then click Screen resolution. (The screen shot for this step is listed below.) 2. Click the Multiple displays drop-down list, and then select Extend these displays, or Duplicate these displays.