If you already have iTunes installed, ensure that it is up to date.
The iPad will charge while connected to the computer, but very slowly.
Your Windows computer will need to have internet access in order to install the iPad drivers.
If your iPad is not showing up in the “Devices” menu, check to see that it is turned on. If it is still not connecting, you may need to put it into Recovery Mode.
If your iPad is not showing up in the “Devices” menu, check to see that it is turned on. If it is still not connecting, you may need to put it into Recovery Mode.
See this guide for detailed instructions on syncing your files to your iPad. See this guide for instructions on adding apps to your iPad using iTunes.