This post explains how to create JDK folder from the installation exe in Windows. This will be help full for people who don’t have admin privilege to install JDK.

PS. I have tested this with JDK 1.7.0 Update 51 in windows 7.


  1. Download JDK from Oracle
  2. Download and Install 7-zip from here
  3. Open installition exe using 7-Zip
  4. Extract the
  5. Extract the content of to a folder (e.g. c:\jdk).
  6. Open the extracted folder in cmd prompt.
  7. Execute for /r %x in (*.pack) do .\bin\unpack200 -r "%x" "%~dx%~px%~nx.jar" command
  8. Set JAVA_HOME to the jdk (e.g c:\jdk) folder.
  9. Add %JAVA_HOME%/bin to the PATH env variable.


Run the following command to check the installation, it will print the version of JDK.

c:> javac -version
javac 1.7.0_51