here's a step by step:
To copy photos, music, or other files to your phone:
1. Connect your phone to your PC with your USB cable.
2. Swipe down the top notifications bar.
3. Click on Just Charging and change to Disk Drive.
4. When your phone pops up on your PC as a new USB drive, go into file explorer.
5. Create a folder called "Photos" "Music" or "Documents" on your phone if it's not already there.
6. Drag and drop photos (or music) folders as subdirectories to create album.
7. When done, right click on the phone drive letter and click "Eject" & disconnect.