This is how much time it takes to install GSX Pro from scratch, on a 1Gbit/s Cable connection, less than 6 minutes including Updates.
So, you should derive from that how it should take on your system. For example, if you have a 100Mbit/s connection, it should take about 1 hour. If it doesn't, the problem is either your ISP routing or your firewall/antivirus interfering.
To be sure the problem is your ISP, you can try using a VPN, which will bypass your ISP routing and would let you connect to another node (you never connect to our server, nobody does, not even I connect to it directly, you always connect to a node of the Cloudflare network closest to your location), this one should do the job, even in the Free version:
https://protonvpn.com/Of course, the usual suggestions about disabling the firewall or configuring the antivirus to exclude the whole Addon manager folder from scanning also apply.
