Will there be an alternative way to download the ISO files? Since the ISO files are hosted in SourceForge, which is blocked in China and not accessible without a VPN.
I’m no expert in this subject. Surely if you go to zorinos.com you will be able to download the ISO files.
The Zorin Download page links to Sourceforge.
I recently had trouble accessing SourceForge, so I used FOSS Torrents. They have direct download mirrors as well as torrents: https://fosstorrents.com/distributions/zorin-os/
Direct links (64-bit):
Direct links (32-bit):
However, I often find FOSS Torrents slow or unreachable as well, so here is a list of magnet URIs taken from the torrent files:
Don’t forget to test your downloaded file checksum matches the SHA256 posted on Zorin website.
See this: Methods of downloading Zorin OS