This has been tested in JDK 7. Please download 7Zip application. WinRAR does not assist along this process
1.Download a desired JDK version from prior downloads at http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html
2.Create a folder in where you want to keep the jdk,
3.Copy the downloaded .exe file in here,
4.Right click on exe and 7-Zip>>Extract Here,
5.Right click on tools.zip >> 7-Zip >> Extract Here,
6.Open a command line and issue the command in the folder, this code will convert files to jar
[code]
for /r %x in (*.pack) do .\bin\unpack200 -r “%x” “%~dx%~px%~nx.jar”
[/code]
7.remove the tools.zip and the .exe file
8. issue java -version to test the result