3 task for code breakers ( urgently)

Hello genius, You gonna have 3 task to realize for me, the first task is a test for your skills, you gonna take it before knowing what it's about . You gonna find a file in the attachment, your first task is try to open this file, you gonna find the second the 3rd task there, I have make an easy code to break of 6 character (3 numbers, 3 capital letters). We consider this payed job as a test for a long therm job, give us your best, with a hourly well payment . Pls do not apply of this job if you couldn't finish the fist task