A great opportunity to get your hands on full commercial software is by waiting for the developer to make an discount, or, even better, to get that full commercial software for free.
How is that possible? Well, thanks to Giveaway of the Day website you can get a full commercial software for free every day. Once the software is up for downloading you have 48 hours to download it and activate it. I know that you would probably say that there are only crap software to download. Just subscribe to their feeds via email or an rss reader and wait for your dreamed software to get posted, you will eventually run into something that you like and you will not have to pay for it.
There is even a sister site for gamers, Game Giveaway of the Day, where you can find full commercial games as free downloads.
Boost your life with some commercial software and some games for free.