Google Photos is an easy to use way to save your photos and videos to your Google Drive for appropriate storage, sharing, or uploading.
A quick and simple guide on how to upload photos or videos to Google Photos.
In this example I'll be uploading a video, but the process is the same for photos.
If you want to manage your pictures and videos via Google drives folder structure and file manager. This is also part of the steps for uploading videos from Google Drive to YouTube.