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Install portable JDK on Windows without admin rights

September 15, 2016 Leave a comment

I found the basic idea here, the exact steps are:

iron-java-mug_120x120

  1. Install Portable 7zip
  2. Download Oracle JDK installer for Windows (*.exe)
  3. Run 7-ZipPortable.exe from your Portable 7zip
  4. In 7zip find and right-click the jdk installer exe file
  5. From the context menu use 7-Zip – Open Archive and then Extract
  6. Now extract the resulting “tools.zip” to a folder that is writable for you
  7. Open a cmd.exe, cd into the folder and execute this:
for /R %f in (.\*.pack) do @"%cd%\bin\unpack200" -r -v -l "" "%f" "%~pf%~nf.jar"

Kudos to Nick Russler for figuring out this tricky unpack200 command line!

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Categories: dev-tools, java, windows Tags: , ,