Apache Cassandra on Windows 7
First download the Apache Cassandra from the following URL.
http://cassandra.apache.org/download/
Make sure that you've Java installed in your machine. If not then please install it.
Extract the tar.gz using 7-zip or any other application.
Once it is extracted as apache-cassandra-1.2.0-bin.tar, extract it again using 7-zip.
Extraction in progress.
Once the extraction is completed, you will see the following folders.
Now go to the bin directory and execute the "cassandra.bat" file using a command prompt. Always run the command window with "Run as administrator". You'll get the following screen if everything worked fine. Before running "cassandra.bat", make sure you're "JAVA_HOME" variable is created.
Open another command window. Execute the "cassandra-cli.bat" file. This is a command line interface to interact with Cassandra. Once it is connected successfully with Cassandra server, you'll get the following screen.
To verify the connection, just execute the "describe cluster;" command.
Type "exit"; to get out of the Cassandra cli console.