Because developers hardcode or dynamically load the AES key into the game's executable code, finding it requires reverse engineering. Data miners generally use two primary methods to extract the full key after a new patch drops: Static Analysis (Using IDA Pro or Ghidra)
If you are searching for a "PUBG key" while playing the game, you are likely looking for the (also called Security Keys or Secret Room Keys). PlayerUnknown's Battlegrounds - Gildor's Forums pubg aes key full
Community tools and command-line scripts exist that automatically attach to the game process, locate the key using known offsets, and print the full string instantly. Tools Used with the PUBG AES Key Because developers hardcode or dynamically load the AES