Hello, I also purchased the PRO version today to support Zorin OS. I want to install it on my computer and examine it, but the installation gets stuck 3-4 times. I don't know why.
(Note: I previously used the core version and had no problems.)
Welcome to the Forum!
It seem to have Issue to connect to a Server. You could try it with an offline Installation.
What happens if you click on "skip"?
@Ponce-De-Leon How? 
@NickS When I use this option, the installation completes incompletely or with errors. 
For an offline installation, do not enter any Wi-Fi information nor connect via LAN, the best is to turn off WLAN, and if you are asked whether you want to install updates, codecs, or third-party drivers, decline.
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Hi and welcome.
I have done some searching and reference is made to two possible issues, Secure Boot is enabled in the BIOS or possible driver conflict with Pulse Audio.
One solution proferred in respect to tthis issue is to first start the machine in 'Try Zorin' and then follow solution/s posted here:
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Hi, glad you got sorted.
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