If you are learning performance engineering, this is the best classroom in the world. You get access to the industry-standard script compiler, the ability to parameterize data, and the legendary analysis tools that tell you exactly where your application broke.
If you require a free, permanent performance testing tool, consider these open-source alternatives instead of searching for a deprecated LoadRunner edition: download loadrunner community edition
In the enterprise world, LoadRunner is a team sport. You have a Controller dishing out load from multiple generator machines. In the Community Edition, you are running in "Solo" mode. You cannot distribute your load across different machines. If you are learning performance engineering, this is