Transferring photos from Iphone to PC

Hi All

I am trying to transfer photos from my iPhone to my PC. My phone is an iPhone 7 and y laptop is running off Windows 10 version 1903. I have tried multiple options.

Option 1:

When I use the photos app on my pc, and request to import photos it say 'we're having trouble connecting to your device', when I am using the phone cable (multiple cables tried). I have had icloud sharing on and off for this process, however there is no difference in being able to connect to the device.

Option 2:

When I use the cable and try to find my photos through 'my pc' and the 'iPhone folder', sometimes I can see how much memory is on the phone, other times I can't. Either way, when I click the next drop down menu I don't see all the folders in DCIM. When I do this, I am not logged into my icloud account.

I have downloaded the latest version, old versions, version enhancements of iTunes and this still does not offer any solution for me.

I have over 25,000 photos, so desperately want to find a solution.  I have tried both the apple help desk and the pc help desk and nobody seems to know how to get my photos for me. Please can somebody offer assistance?