You could probably install it on the flash drive, but not recommended. And you would need to change the Environment Variables for the JRE to point to the flash drive, and since it sounds like your work computers have software that doesn't allow you to change the computer's state, it will probably be reverted when you log off or restart your computer, so no it won't work. References :
Do you mean JAVA?
I've never seen what you suggest work.
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its JAVA!!!!!
but i dont know sorry and i gig of what?
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You could probably install it on the flash drive, but not recommended. And you would need to change the Environment Variables for the JRE to point to the flash drive, and since it sounds like your work computers have software that doesn't allow you to change the computer's state, it will probably be reverted when you log off or restart your computer, so no it won't work.
References :