3ds Max Product Key Info

Note: The key changed from 128L1 to 128M1 starting in 2021.

If you are a freelancer who installs Max on new workstations often, the only number you really need to memorize is 128M1 (assuming you are on the latest version). 3ds max product key

If you are installing a specific version of 3ds Max, you need the exact code below. If you use the wrong key (e.g., using the 2024 key for the 2025 installer), the activation will fail. Note: The key changed from 128L1 to 128M1 starting in 2021