As a certified personal photo organizer i meet many people who have printed photos squirreled away in dresser drawers and in boxes in the closet or under the bed. After you decide on the folder structure go through all the images that you previously scanned as well as your digital photos then organize them.
Tags are keywords that you can add to a photo to make it easier to find the photo on your computers search function. In this video i share some great tips on how to organize your photos.
I realize that when i download photos from my camera to windows 10 they remain in the order they were taken.
However once you have the initial bulk of the work done getting into the habit of maintaining this organization will make this process seamless. Organizing your photos by file size might be a good way for you to group your photos that are taken at higher resolutions like 4k.
If youre on windows 10 there are ways to sort through them all.
For some reason organizing my computer folders has been a challenge forever. After the date you could give your shoot a name.