User activity

Currently using iMac 27 (2010) running OS 10.11.6 and the AC version 14. I need to upgrade both. How can I transfer files I am currently working on from the Mac to anew PC running Windows 10 Pro. Thank you
I have been an Archicad user since 1995, but I have been inactive for the past six years. I recently opened up the program to work on some ideas I had for a house. Once I kicked off the rust I was able to create a plan but when I went to use the stai...