Recently I had to help out someone transferring files (photo and videos) to a Windows laptop PC.
Unfortunately Apple has changed the software for Ipads over version 10, so now the Windows driver software cannot cope. You can still see the internal memory on the Ipad, you just cannot save to it, or get files from it.
So apart from a USB lead which plugs into the Ipad and the USB socket on the PC (same as the one you use for charging the Ipad from a USB charger), you now need to download and run some software on the PC.
There are several programs on the Internet that allow you to transfer files without using Apples Itunes running on the PC, including those that are charged for.
But one of them is Free and I have used, it is called “EaseUS MobiMover”, which allows you to transfer files both ways to and from the PC.
You download and run it on your PC, connect your Ipad and away you go.