Hello @DerickB,
Welcome to the StarTech.com Community.
I am sorry to hear about the difficulty experienced with the software supplied with the PM1115UW.
The software is definitely optional and is not required. The web interface can be used to set up the PM1115UW on the network initially. Once the unit is available on your network any additional setup steps can be performed using the options built into the operating system on the computers in your network.
Have you found our installation guides on here on the StarTech.com Community? I will share a couple of links
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How do I install PM1115UW on Windows or macOS? - Check the link to the pdf manual at the top of this page
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With PM1115U2 in Windows, how do I add the printer to my computer from my print server?
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YouTube - How To Manually Install Your Print Server Windows and MacOS - PM1115UW | StarTech.com
I hope that these links help you get up and running. But let me know if you have more questions. We certainly do our best to make sure the PM1115UW is working correctly for you.
Sincerely,