Q:

Creating a fake display on windows 10? 

I need to create a fake dysplay on my main pc to remotely conect with my notebook and use it as a second screen.  
I cant use a headless ghost, cause my computer only have um vga output(intel integrated graphics) and is in use, so it have to be made on the software side. 
After some update, all of this methods doest seen to works:
Can a fake second display be enabled in Windows 10? 
Is there a way to fake a dual (second) monitor

A:

SpaceDesk creates virtual monitor for every client that connects to your pc through spacedesk client, so you can have multiple displays that aren't really exists and it works fine on Windows 10.