You already have this license if you have purchased the ATLAS 3D kit and do not need to buy it again for the same scanner.
This product is a license for FreeLSS Commercial, the commerical version of FreeLSS, the software that powers ATLAS 3D.
Once purchased, a license key will be emailed to the address entered on the checkout page within 1 business day. You must already be running FreeLSS open source on a functioning scanner to use this license. The license key should be entered into the Serial Number box on the Setup page of FreeLSS. Once the license key is saved, click Check for Updates to upgrade FreeLSS Open Source to FreeLSS Commercial. An Internet connection is required to install FreeLSS Commercial.
This license does not entitle the purchaser access to a downloadable SD card image containing the software. This license does not entitle the purchaser access to the source code of FreeLSS Commercial. The software must be obtained by using the license key to upgrade FreeLSS Open Source to FreeLSS commercial via the ATLAS 3D auto-update system. The purchaser must abide by the license agreement.