To check if FastDL is working properly, you can monitor the console log for errors related to file downloads. If there are no error messages, it's likely functioning correctly. Additionally, having a friend try downloading content when they connect to your server can provide a practical test. For a step-by-step guide on setting up and troubleshooting FastDL, consider checking out this helpful article: How to Set Up FastDL. It covers all the essentials you need to get started and ensure everything is running smoothly.