As dull as it may be to wade through, the user guide has useful instructions on how to download, install, and use the various components.

PawMac needs version 4.6 of the .NET framework or above to run.

InPaws128 requires the Microsoft Visual C++ Redistributable installing on your machine, see:     

https://support.microsoft.com/en-gb/help/2977003/the-latest-supported-visual-c-downloads

InPaws128 is a 32-bit exe, so even if your machine is 64-bit you may need to download the 64-bit AND 32-bit versions of the redistributable before InPaws128 will run. 

The latest version of PawMac can be downloaded from https://retro.pagasus.org.