The Codex: Grey Knights (10th Edition) was officially released in July 2025 [2, 13, 20]. While many players look for PDFs, Games Workshop provides the official digital rules through a unique code found in the physical hardback, which unlocks the content in the Warhammer 40,000 App [9, 15].
Tip: Search "Warhammer 40k downloads" to find the official page.
Warhammer 40k codexes are copyrighted materials. Free full PDFs of the current edition are not legally available. To obtain the official rules:
: Essential for up-to-date rules adjustments and army-wide balance changes. Grey Knights 10th Edition Codex : Released in