How do i know if it's working?

[i.m.kirk.go]

How do i know if it’s working? Thanks.

[zune0904]

http://mudfish.net/docs/en/faq/program.html#how-do-i-know-if-its-working check this

[kwangseok]

Do you want to refund just your Mudfish item to credit or cancel your payment?