I'm grounded from playing minecraft on the family computer?

My dad grounded me. He even deleted the minecraft shortcut of the desktop(because he thinks thats how computers work) but the thing is the reason i'm grounded is fighting with my brother. We were just arguing and he made me say sorry and now i can't use that computer:( i think i can play when he's at work and and just remove it off the desktop one hour before he arrives and just do something else.
What should I do?

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