There are a number of ways to compile the PRCYCoin QT Wallet/Daemon. GitHub Actions is one of the easiest in that you just need to fork the repo and enable GitHub Actions Workflows.

GitHub Actions
1. Fork the Repo
2. Click the “Actions” tab within the forked repo
3. Click “Enable Workflows”
4. Commit any code to the repo
5. The build will start on each commit that is pushed

Cross-Compile on Ubuntu 18.04+
This method is a bit more involved, but helps to get familiar with the actual process.