How to remove image background using InstantMask
InstantMask is a quick and simple to use freeware background removing the program. Open a picture you want to edit.
Mark the areas of foreground and background.
Press preview to see your changes.
If you feel you need to edit it again, you may do so. Once it to your satisfaction, save the image. You will now have your picture minus the background.
Instant Mask free download
Have a look at the official video to get an idea of how it works.
You can download Instant Mask from its home page. Works just fine in Windows 11 and Windows 10 too!