There was a Facial Studio for DOS (1990) which ran in EGA mode and required a math coprocessor. Version 2.0 was reportedly a Japanese-only release for the NEC PC-98. Thus, was the first wide, international Windows release. The jump to "3.0" was a marketing move to align with Windows 3.0's own branding, implying the software was mature and stable.
: Define specific facial poses and mood expressions using dedicated deformers. Photo-Matching & Texturing Facial Studio for Windows 3.0