The Griz

I amm having the same issuess my keys register multipplle ppresses as you ccan tell whiile I am typing this or certain keys dont rregister at all. This is frustrating for an 80 dollllar keyboard that is lless than a year or two old and my first mmechanicccall keyboard. What does Thermaltake require for the warranty process? Just curious what I should be ready with before I call them?