Any graphics file or document can be printed or saved as PDF file nowadays, but it can be a little tricky for some legacy file types as these might not be supported in modern software.
The thing that you have to do in case modern software is unable to open and thus print your file, is to download the original software on some abandonware website and use a virtual PDF printer for the job.
In this case Freelance Graphics software, for .pre files. You can try your like with installers on Winworld website and see if any of the versions provided there, supports your .pre files.