If its stack still works, you might be able to sell or donate it to a student experimenting. They can still learn quite a few things with it. Maybe even use it for something.
Using outdated tensorflow (v1 from 2018) or outdated PyTorch makes learning harder than it need to be, considering most resources online use much newer versions of the frameworks. If you're learning the fundamentals and working from first principle and creating the building blocks yourself, then it adds to the experience. However, most most people just want to build different types of nets, and it's hard to do when the code won't work for you.