Check the official QB64 subreddit (r/qb64) and Discord server for announcements of new PDF releases.
Since the official QB64 Wiki is the most up-to-date source of information, the best way to get a PDF version is through these methods: The Community Wiki-to-PDF qb64 manual pdf
The is not just a list of commands; it is a complete guide for turning BASIC from a 1980s learning language into a modern, 64-bit, cross-platform, GPU-accelerated programming tool. It equally serves retro enthusiasts (running original Nibbles.bas or Gorillas.bas) and serious developers (writing 3D games, hardware control software, or scientific simulations). Check the official QB64 subreddit (r/qb64) and Discord