Historically, you would buy the paperback book, set up a physical chessboard, and slowly move the pieces. While valuable, this is slow. Today, we train with files.
: Don't let the "Beginner" title fool you. Reviewers up to 1800-2200 Elo have found these exercises non-trivial and excellent for sharpening their visualization skills. The Power of PGN Files for Tactical Training 1001 chess exercises for beginners pgn free
For the full experience with explanations and automated training (spaced repetition), you may want to check these platforms: Chess Book PGN Downloads – Chess for Beginners Historically, you would buy the paperback book, set