How to update Fortuna template

Hi There,

I want to update both wordpress to 4.6.1 and my latest fortuna.
Do I update my wordpress first than fortuna template? Please advice

Can you send me in detail how to do that? I am newbie and if possible I get very detail document.

You can send me to fauzi.yusuf@gmail.com

Thanks

Best Regards,
Fauzi Yusuf