Vạn Sự Cần: Create manually JRE/JDK folder from JDK EXE installer

Create working JDK directory (C:\JDK in this case)
Download latest version of JDK from oracle (for example jdk-7u7-windows-i586.exe)
Download and install 7-zip (or download 7-zip portable version if you are not administrator)
With 7-zip extract all the files from jdk-[6-7]u?-windows-i586.exe in directory C:\JDK
In command shell (cmd.exe) do the following:
--> change directory to directory C:\JDK\.rsrc\JAVA_CAB10
--> execute command: extrac32 111
Unpack C:\JDK\.rsrc\JAVA_CAB10\tools.zip with 7-zip
In command shell (cmd.exe) do the following:
--> change directory to C:\JDK\.rsrc\JAVA_CAB10\tools\
--> execute command:
```
for /r %x in (*.pack) do .\bin\unpack200 -r "%x" "%~dx%~px%~nx.jar"
```
(this will convert all pack files into jar)
Copy whole directory and all subdir of c:\JDK\.rsrc\JAVA_CAB10\tools where you want your JDK to be and setup manually JAVA_HOME and PATH to point to your JDK dir and its BIN subdir.