What free MultiSeats are available for Windows?

Question

Software and Internet Services

Needed with the ability to connect multiple keyboards, multiple mice, multiple monitors, separate desktop speakers + general virtual sound are implemented in two "rooms" with a virtual environment and synchronous playback with different volume levels.
Point out the disadvantages.
It is necessary that graphic programs and applications work without problems, 1C: Enterprise 8 is launched so that all installed 3D modeling programs are launched.