Leave your thoughts on Institutes of the Christian Religion here
I don't know where you found the "free" designation for the e-pub version. I just went to that document and found a price of $2.95 listed by the e-pub icon. However, the pdf version is free.
Senior Moderator, Volunteers for Proofreading
2 Tim. 3:16--All scripture is given by inspiration of God, and is profitable
for doctrine, for reproof, for correction, for instruction in righteousness.