I have 3.4GHz computer with Windows Prof with Service Pack 2. I want to learn Java and Websphere with my new computer.I have downloaded the trial copy of WebSphere Studio Application/Site Developer Version 5.1.2 and DB2 Universal Database for Windows. I have installed Java Web start on my computer. Do I need to install J2SE or/and J2EE ? Do I need install Application Server ? What other software do I need ? What steps should I follow to successfully install Websphere and DB2.