Guidance using FLIP

i am having problem making my aurdrino work as a keyboard .in FLIP all the optionss are grayed out and i am unable to open connection.iam following this tutorial

iam using a real aurdrino uno and i even did the shorting part of it.
iam using win 10

hi i have seen your link
how many button you read and interface
i think Serial Communication is the best way to read multiple buttons