How to stop graphic rendering of a process?

Question

Windows

How can I stop a process from rendering graphics?
How in general it is possible to reduce as much as possible resource consumption by process?
I need to reduce the resources consumed by the process as much as possible in order to run as many windows as possible.

Answer 1

In the BIOS, set the size of the video memory (if built-in)
PC properties> additional parameters
There you find what is responsible for the design and turn off everything except font smoothing (they are also possible, but I can’t vouch for readability)
That’s all

Answer 2

I need to run the program on the PC and press the button so that it stops being displayed, it is possible that nothing is shown on the monitor at all, I need to unload the hardware