I installed iTunes over the weekend (I don't own a Mac) just to perform the update. It was fairly quick and painless, and saved me from needing to delete a ton

I installed iTunes over the weekend (I don't own a Mac) just to perform the update. It was fairly quick and painless, and saved me from needing to delete a ton of stuff from my 16GB iPhone, which I foolishly did for the iOS 7 update. I uninstalled iTunes as soon as it was complete.