I’m like 80% certain I have the entire players handbook as a pdf that I can email if you have an email you’re comfortable DMing to me (Can DM me if interested, but don’t have to say your email until after I’m able to confirm that I still have it)

17

The Internet archive has the Player’s Handbook, Dungeon Master’s guide, and the Monster Manual up with no cost.

13

Ginny Di has pretty good videos on learning to play. Additionally you can find character building info on wikidot

10

Look up DnD 5e players handbook free you’ll get multiple options including archive.org

8

5e tools has most books

5