If your modern printer is shared over a local network, you can map a virtual LPT1 port directly to that network share using the command prompt.
The only official, safe, and ethical path is to either purchase a new license for the latest version (which ensures compatibility with modern Windows) or use the developer's official key replacement service for your existing license. This ensures you get a clean, fully functional version of the software, supports the ongoing development of the program, and, most importantly, protects your computer and valuable data from malicious threats.