Go to this website. Download the file called PmxEditor_0222.zip If you have a 64-bit computer, it should work with no problems. If you have a 32-bit computer, download the file called PmxEditor_x86pkg.zip and put the files in the PMX Editor Lib folder. It will ask if you want to replace some files, say Yes. This will make it compatible with the 32-bit computer.