How to convert depends on both the source and the target. Since we can't look at the source (only on how it shows in the browser) it's impossible to tell how to do it.
But since you don't know coding yourself, I assume somebody else made your website. So better ask them to convert it.
Can i convert my website into wordpress .? as i dont know coding and i want to convert my website as soon as possible .?
is there any tool or software to convert it ?
please check my website famesky.com and tell me , it is having around 5k pages.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic