How can I be a skillful person in computer and software programs?

Youtube may help you alot.

Have a strong determination on what you want to do. Be resourceful.And love what you do. Don't be timid.

i fully agree with the answers been added by experts..........thanks.

Basm allah alrahman alrahim

search for top 10 softwares (google) , search for best softwares , search top rated , search for top dawnloads 

Where ?

softpedia , softonic , PC World , PC Mag (magazin) etc

then use them alot

Note : Superuser may be strong like programmers and developers and engineers ( that what I think )