You can use Itunes to transfer data from your PC to your iPhone, below are the steps necessary.
Transfer files between iPhone and your Windows PC
Install or update to the latest version of iTunes on your PC.
Install iTunes for your PC
Connect iPhone to your Windows PC.
You can connect using USB, or if you set up Wi-Fi syncing, you can use a Wi-Fi connection.
In iTunes on your Windows PC, click the iPhone button near the top left of the iTunes window.
Click File Sharing, select an app in the list, then do one of the following:
Transfer a file from your iPhone to your computer: Select the file you want to transfer in the list on the right, click “Save to,” select where you want to save the file, then click Save To.
Transfer a file from your computer to your iPhone: Click Add, select the file you want to transfer, then click Add.
To delete a file from iPhone, select the file, press the Delete key, then click Delete.