[header] How to legally download software online [title] Visit an open source repository. [step] Open source programs are community-driven projects where the code of the program is available to anyone. This means that typically, open source software is completely free to use and copy. 
These projects are often iterated on by community members, meaning they are constantly evolving. There are several major open source repositories that host a variety of applications available for free download : [substeps] Sourceforge google code github codeplex [title] Look for a program that does what you need.