I never got a chance to tell you .RAR are just compressed files. And windows 10 should have a embedded extractor. Although Winrar is the most popuar.Update!!! I was able to figure out how to get it back down to the CTP 13!!! Just used winrar to extract the file!! Put it on the USB an followed the steps in the link above to get it back down to the CTP 13 SW I started from CTP 17 if anyone wanted to know. So now I'm in the process of getting all the file maps put back onto my USB drive (starting over again) lol. Hopefully this time when I get everything loaded on to it I'll be up to the updated maps!! Will keep everyone posted.. pic of CTP13 4.08
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Do let us know how it goes. I may try down grading myself and getting a map update.