Addition of subdomain

[coyota]

I have 1 domain and 2 subdomain namely coyota.net , web.coyota.net and studio.coyota.net . I want 3 sub domain with www. before them like www.coyota.net . Again i want them to be the main suppose if someone enters coyota.net he will go to www.coyota.net

Thanks in advance

Edited April 19 by coyota
mistook the number of sub domains i have

[coyota]

An admin told me something on another post. gonna try it now. if it dont works, i will tell it

[wolstech]

See https://helionet.org/index/topic/64187-cant-login-after-a-incident-read-description/#findComment-288858