Windows Vista Ultimate was marketed as the "no-compromise" operating system. It combined the productivity features of the Business edition with the entertainment capabilities of Home Premium.
It sounds like you’re referencing a specific filename or release title for a edition — possibly a scene or warez-style label. windows vista ultimate x64 sp2 final enu april exclusive
: Includes the full suite of Vista features, including Windows Aero , BitLocker Drive Encryption , and Windows Media Center . Windows Vista Ultimate was marketed as the "no-compromise"
The specific "April Exclusive" builds often circulated in enthusiast circles are more than just software; they are a snapshot of a time when Microsoft was pushing the boundaries of visual design and 64-bit computing. What is Windows Vista Ultimate x64 SP2? including Windows Aero