You can always get the newest version of SEO Content Machine at this download link
https://seocontentmachine.com/download/
If you are using your browser for downloads, it can transfer very slowly.
The solution is to use a free download manager.
This works because the speed of the download server is very fast, but you need to open multiple download threads to get the fastest speed.
For windows:
Use this free download manager.
https://www.freedownloadmanager.org/
Result:
I can max out my connection speed at 50MB/s