System requirements    
VT Final Accounts

VT Transaction+ etc

Platforms not supported
VT Transaction+, VT Cash Book, VT Filer, VT Fact Viewer

The above applications require Windows 2000 or later (including Windows 10) running on either a 32 bit or 64 bit PC.

More about:

32 bit and 64 bit PC's
VT Software>Topics>System requirements>VT Transaction+ etc