Official rules for using Imperial Knights in the current edition of Warhammer 40,000 are often available as free digital downloads from Games Workshop during edition transitions or for specific game modes:

: These platforms host numerous free Imperial Knight models under various names like "Imperial Warrior" or "Questing Knight".

: Community members often share updated free printable datacards for tracking unit stats and stratagems during games.

: While the base game is paid, the Warhammer 40k mods are free. These mods include fully modeled Imperial Knights armies that you can use to play the full tabletop game against others online. 4. Lore and Reference Documents

: The r/PrintedWarhammer subreddit is a frequent source for finding high-quality free files. 3. Digital Gaming (Tabletop Simulator)

: Tools like ListForge provide free access to the latest codex data for army list construction. 2. 3D Printing Files (STLs)

: At the start of 10th Edition, Games Workshop released "Index: Imperial Knights" as a free PDF download .