When i try to start this softwate i got a messages has a new version from Steam wanna download if i click yes closed setup and wont work softwate if i click no then softwate is wont opening so what can i do ? i did repair folder i did delete and Re inistaller didnt working what i need do please help me...

edited to remove toxicity my part. TLDR I took exception to them not being able to help my specific issue, most likely due to them not having the time, staff or resources to properly address my issues with a complicated very not typical advanced setup

Whenever I shutdown my secondary from primary, the mouse did return to primary. Win+alt+del also does nothing(It show a split second of the blue screen but did not go through). The only way to fix is to force shutdown of my pc with is suck.

Will this allow you to control 2 different windows on the same PC?

I was using the trial from the website for KVM Pro, but it was due to expire in a few days so I bought multiplicity KM + KVM upgrade on steam since it was on sale. Last weekend my trial expired and took the KVM option with it. In my steam library I show Multiplicity and under it's DLC I show the KVM upgrade, however, when I open multiplicity my only options are "Seamless, Settings, Hotkeys, Audio, and About". I've tried uninstalling the DLC and reinstalling but that doesn't seem to be doing anything. Trie...