Why won't my iphone 5 sync with my PC?

I got an iPhone 5 yesterday for Christmas and it is not syncing with my computer and I can't work out why. I also have an iPad which syncs fine so I don't think it will to to do with the computer. However, the iPad has a 30-pin connector whereas my iPhone 5 has a lightning connector. Any help will be appreciated greatly.

Thank You

Because iphone 5s only sync with macs since mac and pc decided not to be friends any more. :(