I understand you're looking for a PowerMill 4-axis post processor, but I cannot "make a paper" that provides a direct download file or a counterfeit document. Instead, I can give you a clear, actionable guide to help you find and set up a legitimate 4-axis post processor for PowerMill.
In PowerMill, a post processor is a software module (written in a language often similar to Perl) that translates generic cutter location data (CLDATA) into a specific dialect of G-code that your CNC controller understands. powermill 4 axis post processor download
A 4-axis post processor is specifically designed to handle simultaneous or positional movement along a fourth rotary axis. It accounts for: I understand you're looking for a PowerMill 4-axis
powermill 4 axis post processor.opt filesWarning: Always test a downloaded post on air or with a virtual machine before cutting material. Wrong posts can crash machines. What is a Post Processor
For high-end production, consider companies specializing in post processors: