Downloading keys or "cracks" for version 1.79 from unofficial sites is highly discouraged for several reasons:
DOSPRN is distributed as , meaning you can download and use a "full feature" version of the software for free during a trial period to ensure it meets your needs. However, to remove registration reminders and use it permanently, a valid license key is required. Key Details for DOSPRN 1.79/2.1 dosprn 1.79 key free