The ATEM Software Control works with Windows 7 64-bit and 8; both 32 and 64 bit versions. You may download your required drivers via the support page. Here is the link to the ATEM drivers for your convenience http://www.blackmagicdesign.com/support ... lse&os=win
Darrell Sim Support Engineer Blackmagic Design Asia support-asia@blackmagicdesign.com