Why can't I install and activate it when I purchased it for 50$ and downloaded it after i was provided a download link?

Very Buggy code and Support says requested fixes are customizations and not fixes. Do not buy!

Poor made theme. Final product is vastly different from demo. Most features work on the demo whereas once you install on your own server you will fight an uphill battle to get them to work.

One of the worse customer support service on themeforest. The author replies to support request only when he is high on "happy juice" which is rare.

It simply does not work at all. Looks absolutely horrible and is a waste of time.