Radiant Dicom Viewer — Activation Key

Radiant Dicom Viewer — Activation Key

An activation key (also called a license key or product key) is a unique alphanumeric string that unlocks the full version of the software. When you enter a valid key, Radiant upgrades from the free edition to the Pro edition, enabling:

Without a valid key, you are legally limited to the free edition, which is sufficient for personal study or basic viewing but not for professional diagnostic or commercial workflows.


RadiAnt DICOM Viewer is widely considered the "gold standard" for Windows users viewing medical images (MRI, CT, X-ray, Ultrasound).

Once you have a legitimate license (purchased or trial), activation takes less than two minutes:

For offline workstations (common in secure radiology environments), Paxera offers an offline activation file method. Contact support to generate a license.dat file. radiant dicom viewer activation key


RadiAnt DICOM Viewer does not have a "draft feature" related to activation keys; however, you might be referring to the trial period or the deactivation process used to move a license between computers.

Here is how the activation and licensing system for RadiAnt works:

Trial Version: When you first install RadiAnt, you can use a fully functional trial version for a limited time (usually 30 days). This does not require an activation key and acts as a "draft" period to test the software.

Activation Key: This is a unique alphanumeric string provided after purchasing a license. It is used to transform the trial into a permanent, paid version. An activation key (also called a license key

License Deactivation: If you need to move your license to a different "draft" setup or a new computer, you must first deactivate the license on the old machine. This "frees up" your key for use on another device.

Educational/Evaluation Licenses: Sometimes RadiAnt offers extended evaluation keys for specific institutions or beta testing, which may be what you are thinking of as a "draft" or temporary key.

Caution: Be wary of websites offering "free activation keys" or "keygens." These are often scams or contain malware. Legitimate keys can only be obtained through the official RadiAnt website. Are you trying to transfer a license to a new computer, or


Radiant DICOM Viewer is one of the most popular free and professional medical image viewers on the market. Developed by PaxeraHealth, Radiant is used by radiologists, chiropractors, veterinarians, and medical students to view and analyze DICOM files (the standard format for medical images like CT scans, MRIs, X-rays, and ultrasounds). Without a valid key, you are legally limited

Key features include:

The software comes in two primary versions:


PaxeraHealth sells individual Pro licenses through their website or authorized resellers. As of 2025:

You receive a genuine activation key instantly after purchase.