ArionFX for Nuke requires a valid license file in order to operate without a watermark.
The license file is available for download immediately after you purchase through your Customer Account.
To access your Customer Account, go to www.randomcontrol.com and log-in with your username and password:
Once logged-in, your license file(s) will be listed in your account. Click on the license corresponding to the product (and version) that you wish to install, and save it to a safe location on your hard drive.
To install a license, add an ArionFX Tonemapping node to the Node Graph and double click it to display its properties, then click on the 'License...' button:
Then click the 'Install license file...' button and browse your hard drive for the 'license.lic' file you downloaded in the previous step.
After providing your license file, close and re-start Nuke. Your copy of ArionFX for Nuke should now be licensed and the license dialog should display your user information and a green tick:
Congratulations! Your copy of ArionFX for Nuke is now licensed and ready to use. Happy HDR processing!