Sorry you’re having trouble. Downloads are served our of our CDN so we don’t have much control there. Sometimes they have limited availability but return later, you may want to try again at a later time. Do you notice that images on the site are loading slow as well? We serve all images from the same servers as game files.
Lastly, you can try using our “alternate download” mode option. This is available when downloading a game through your browser from the download page.