Q: If I cannot download a component for free, how could I review it before purchase?

You can download tryout version from Demo Section. You can use tryout component with 15 days and prolong it as long as you want.

Q: Does tryout download differ from purchased?

No, you download the same package. The difference is only that component has limit of workable period.

Q: MightyCommerce component has a lof of files and it's boringly to download and install all of them manually. How to proceed?

You can use MightyAssistant which allows to install/update all Mighty Extensions with one click just and keep all Mighty Product up to date.