Kono katai desu...   are u trying to say 'this is difficult/hard?' if so itd be kore wa muzukashii desu. これはむずかしいです。katai means hard as in the way a desk or a rock is hard not soft..

Konnichi wa! Watashi wa Iggy desu, Watashi ketsuboo eno yuku eno nemuru...  not quite sure what ur tryin ta say here..but im learning japanese myself so it could be correct. i just dont know.

P.S, I'm sorry, I don't know how to use Japanese characters on my PC! I'll try to figue it out!

on my computer you go to control panel, then clock/language/region, and theres an option to change keyboard settings in there. im sure u can make it work it should be relatively similar