The "Goldberg fixed" patch for v1.61 will remain the definitive offline version for years to come. However, new Windows updates (e.g., Windows 12) may break the emulator. The "fixed" community is active on and will likely release compatibility patches if needed.
That said, many legitimate buyers use this fix for: the idolmaster starlit season v161goldberg fixed
Extract the archive. You will find:
Option 3: Technical/Installation Focus (Best for Discord/Niche Communities) The "Goldberg fixed" patch for v1