There is no official Sony Vegas Pro 12 build "81." If you find a file labeled as such, it is almost certainly a user-modified or repacked version. Proceed with extreme caution regarding malware.
Vegas Pro 12 is a 64-bit exclusive software. There is no official 32-bit version of Vegas Pro 12. If you are using a 32-bit operating system, you will need to use an older version, such as Vegas Pro 11 , which was the last release to support 32-bit Windows. Boris FX Forum ⚠️ Technical Compatibility Warning Architecture: sony vegas pro 12 32 bit download 81