How to RUN minecraft on my school computer?

So Here's the just. I successfully got the minecraft program on my school laptop. (I know I should be paying attention in school more) But my school's security is so strong, that when I attempt to run it, it gives me a message saying, "Windows cannot access the specified device, path, or file. You may not have the appropriate permission to access this file." So I know that means that I have to be admin to do this, but I was wondering if there was someway to either get around this or log in as an admin. Thanks for the help in advance. (The PC runs on Windows 8)

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