There are many free programs out there on the Internet that are great: Firefox, Thunderbird, VLC Media Player, CCleaner, Revo Uninstaller, QuietRSS, WinSCP or KeePass are just some examples of programs that you can download and use for free.
While it should be pretty straightforward to download these programs, it is often not the case. Sure, if you know the url they are offered on then you go there and download them, but if you don't, you have to use search engines or visit a download site to get them.