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A step by step installation instruction for Polysun (Windows) and how to run the updater: PDF installation instruction

Downloads Find out more about Polysun Software

Free trial version
See what Polysun has to offer:
Download your Polysun demo verison for Mac OS X or Windows.
Current Polysun version
Valid license with email-address and user-id
Do you already have a Polysun license, e-mail address and User-ID?
Download the current Polysun version for Mac OS X or Windows.