How to a mod(help)

can any one help me to make a mod cuz i'm did wana make a mod for 3 weeks ago but don't know how to do!!
That's why i'm ask you guys(or girl's) to help me!!!

please help i'm always wished to make a mod plz help
:)
If you have the same problm comment to me like this
I'm have the same problem plz help
like this!!
PLZ HELP OKEcan any one help me to make a mod cuz i'm did wana make a mod for 3 weeks ago but don't know how to do!!
That's why i'm ask you guys(or girl's) to help me!!!

please help i'm always wished to make a mod plz help
:)
If you have the same problm comment to me like this
I'm have the same problem plz help
like this!!
PLZ HELP OKEJ!!