Download Screenshot Capture Software with Transparent Application Window for Software. The Screenshots Captured with this Software do have pre-defined width and height.
When you want to capture screenshots automatically at regular time intervals, you can use Auto Screenshot Software Utility on your Windows 11 or Windows 10 Computer. This Automatic Screenshot capturing software has inbuilt duplicate file finder and a way to ignore screenshot capture when no screen changes are detected in the monitored rectangular screen area.

Screen Capture Software by MurGee.com