Answer:
Manga Studio 3.0 is free via a website called madiafire, in which you can download free softwares. Here are the possible links of download (you'll need a Jzip or Winzip... etc. to read it, and maybe you also need something to read .rar, .exe, .INS... etc., which my computer doesn't have) But anywho... Here are the links:
The Mediafire link:
http://www.mediafire.com/?u0l5vldlwoy
And if that doesn't work, try this website:
http://filetreasures.com/?getdl/5222248/Manga+Studio+EX+4.0