1. Content: What is JMeter? What can I do with JMeter?
How to download and execute JMeter
Sources

2. What is JMeter?
Pure Java Desktop Application to perform load (stress) tests and measure performance
Originally designed for Web Applications

3. What can I do with JMeter?
Load and performance tests for:
Http servers
FTP servers
Databases (e.g. JDBC) …

4. How to download and install JMeter?
Look for: Source 2.2.zip and download it (10MB).
Unzip the file (no installation necessary)
For using JMeter in Windows you find the jmeter.bat in the bin directory of the JMeter folder.
 GUI appears

5. Sources HTTP Request Tutorial:
Any further Information: