ITunes isn't recognizing my iphone 5! I've tried everything?

About a week ago, every time I plugged in my iPhone, iTunes would immediately recognize and bring up my iPhone. It would also pop up on my phone that I needed to back up my phone and all that and I was getting tired of it. Now, because I have an iPhone and an iPad, my iCloud storage was running out, so I bought more storage, (kinda ridiculous that I have to pay for more storage, you'd think that if I have an iPad & and aPhone, they'd give me more storage, but whatevers lol) Well now that I have my phone backed up and iCloud in use, every time that I plug in my iPhone, iTunes never even notices. I can't get it to either. All that happens is Apple Photos pops up EVERY TIME. I've tried the thing on Apple's support thing where I reinstall the Apple Mobile Device and I've reinstalled iTunes. Nothing is working. Getting really tired of it. I just want to put music from iTunes to my flipping iPhone.

Please && thank you for the help.

*I have the iPhone 5.
**I have a newer Windows 8 Desktop. (Only a couple months old)
***I'm not a complete retard, I promise.

For storage, thats based on your icloud account, so thats why both are the same and you don't get more for a diff device unless you had a different account on that.
Just open itunes manually, you can open it from your start menu.

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