New Harddrive, but no Operating system?

[Derbqueer]

1.whats the difference between green screen and blue screen? 2.where am i able to buy them? 3.i would love to make videos with my cuz, do i have to buy a software for the effects? 4.where can i buy the software. 5.are we able to use any kind of camera with a green screen? i have a olympus camera and i put it on video mode, is that ok?

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Tapety