The machine definition expects a post revision 25.0, but you are using a 26.0 post. Fix: Use the Migrate Machine Definition tool (found in Mastercam utilities) to update your MD to 2023 standards.

Mastercam 2023 Post Processor Download Portable provides a solid post:

If you ignore the above and try to find files matching “Mastercam 2023 Post Processor Portable,” you face:

When people search for this, they usually mean one of two things:

: For .mcam-content files, simply drag them directly into the Mastercam 2023 workspace for automatic installation.