If you frequest RPG-related social media, this article is probably not for you, since you likely know all of this already... but I'm putting this out there for those that may not realize there are a lot more free resources from Wizards of the Coast beyond the D&D Basic Rules. Share with your friends who may not have tried D&D yet!
Is D&D really free? Sure is!
Unless you don't read RPG related social media (or live in a cave), you probably already know that the Wizards of the Coast released a free "Basic" version of Dungeons & Dragons 5th Edition.
The Basic version is trimmed down including only the 4 "core" classes - Cleric, Fighter, Rogue and Wizard. Similarly it only included the core races, Dwarf, Elf, Halfling, and Human. It also excludes Feats, but otherwise is a perfectly playable mechanically complete version of the new edition of Dungeons & Dragons. There is even a subset of the Monster Manual which includes the majority of standard D&D monsters for free.
What one may not know is that Wizards of the Coast also released the 5th Edition System Reference Document (SRD5). The SRD is a PDF that includes the classes that were not included in D&D Basic PDF (Barbarian, Bard, Druid, Monk, Paladin, Ranger, Sorcerer and Warlock) as well as the additional races from the Player's Handbook, Magic Items from the Dungeon Masters Guide, and tons of creatures from the Monster Manual.
The SRD5 does not contain all of the class path options (selected at 3rd level), but it has the primary path for each class, which is more than enough for a complete game. How much would you pay?