How to set up my wireless password?

[nofearskill]

Paranoia hits me and i want to set up a wireless password on my router. Sorry for not looking more into it, but i'm not sure what i need to search for.

so here are the options i have:

Witch one shod i choose? Where do i enter the desired password?

Thanks.

 

[Emerald]

the preferred and most secure one is WPA2-Personal AES