The best way to run this today is inside a Virtual Machine (VM) running Windows 7 or Windows XP. This isolates the legacy environment and prevents it from crashing your main PC.
Sites like UpdateStar sometimes list legacy versions, but be extremely cautious—these installers are often bundled with malware or may not be the "Elite" version you need. Technical Compatibility Issues
Before you install, be aware that 2012 software was not designed for today's hardware:
Finding a legitimate "free" download for a decade-old commercial product is difficult because Sage no longer hosts these files publicly.
Note that data from newer versions cannot be "downgraded" to 2012, but you can import older data (e.g., from Release 1) into Release 6 using the built-in migration tools. Risks of Using Legacy Versions