Projects created in 5.1 can be opened in newer versions later if you eventually upgrade your OS.
Even as an older version, it includes the 3D viewer, Push-and-Shove router, and extensive component libraries.
Version 5.1.x was built specifically with Windows 7, 8.1, and 10 in mind.
Technically, it is . Users have reported "Entry Point Not Found" errors because these versions look for functions in api-ms-win-core-path-l1-1-0.dll , which does not exist in Windows 7. While some community "hacks" exist to port these DLLs, they often lead to frequent crashes and data loss. Summary of Benefits (Version 5.1.12)