ITunes won't connect to my iPhone 4s? - 1

I have an iPhone 4s and have recently updated to ios 9. Since then I haven't been able to connect my phone to iTunes as it says I have to get the newest version. However, I have windows vista and the newest version of iTunes needs Windows 7+.

Is there any free way to get around this so that I can put music on to my phone?

Yeah. Sorry not much you can do. You're experiencing why many people hate Apple.
By what you say, you have a pretty old computer since you're still running Vista. Do you not have any other computer available with Windows 7? If you can't use Windows 7, then there's not much you can do.