Every computer user need softwares. Some of them are always in search for new and advanced versions of softwares for their computers. Professionals always look for new versions of softwares of their use, while other like new types of softwares just for fun or seeking knowledge. Some softwares are available for free use, while some are of trial version or demo version. Free softwares are fun to use, as one have not to pay for downloading or installing it. Whereas the demo or trial versions expire after a certain period of time and they should have to be purchased.