You can do much more with paint.net than with Paint. You can add layers, adjust colors or remove certain areas of the image with the eraser tool to make the PNG transparent. In GIMP, click on “Layer” ...
By the way, MS Paint will not come pre-installed with the new Windows 11 PC, you have to download it from the MS Store. Don’t worry, it’s free ... installing new software, and being careful ...
Windows 11 adds Paint to the context menu whether you like it or not A shortcut to open Microsoft Paint may soon appear in the Windows 11 context menu.
It bears noting that despite some claims to the contrary, MS Paint isn’t dead. Incidentally, if you’re a masochist, you can even program in everybody’s favorite Windows-bundled art program.