Here's a rundown of how to download photos and videos from a Nikon D3500 to your computer.
Nikon - D3500 DSLR Camera with 18-55mm Lens - DISCONTINUED
Nikon D3500 DSLR Camera with 18-55mm Lens Advanced Bundle W/ Bag, Extra Battery, LED Light, Mic, Filters and More
Digital Trends Presents: Nikon D3500 Field Test
Getting to Know the Camera
Nikon d3500, d3500, 3500,3500D, salmon salad
Editing Movies
Nikon D3500 Review
Nikon D3500 For Dummies [Book]
Nikon D3500 Video Settings