LoadRunner Tutorial:
LoadRunner is a Performance/Load Testing tool. LoadRunner has three part: 1) VUGen (Free), 2) Controller(Licensed) & 3) Analyzer(Free). For practice purpose you can download HP LoadRunner trial version at the following L I N K .
The following video tutorial will cover all about LoadRunner. If you have any question or more about to know about LoadRunner then you can join the LOADRUNNER GROUP & post your question, you will get your answer.