Once per year (usually around Christmas), GM Smirnov runs a charity drive. You can name your price (as low as $10) and receive all 9 courses. The proceeds go to chess programs for underprivileged kids. This is the closest you will ever get to "free free" legally.
Diligent fans have created Lichess studies summarizing his courses. Search "Igor Smirnov" on Lichess → Studies. You will find annotated PGNs of his most famous examples. This is 100% legal (users are summarizing, not copying videos). gm igor smirnov all 9 chess courses free free
Almost every "free download" of premium chess courses is a vector for: Once per year (usually around Christmas), GM Smirnov
GM Igor Smirnov is a Ukrainian Grandmaster and founder of the Remote Chess Academy (RCA). He is known for producing high-quality chess training materials, including courses on tactics, positional play, endgames, calculation, and psychology. RCA operates on a freemium + paid model. Almost every "free download" of premium chess courses
While the exact nine vary by source, commonly cited titles include: