interface theme help

I have just installed the interface theme. supposed to look like THIS

https://themehorse.com/preview/interface/

mine looks like CRAP it doesnt have the slider, or the nice little icons towards the middle of the page. can someone please help me add these features to my crappy theme that they installed for me?

What do I need to do?

https://www.futuristictechnology.co/

That is my site, see the difference? Can someone enlighten me?

my number is [ redacted, support is not offered via phone, email, Skype, IM etc. only in the forums ] if you could call me or just tell me on here that would be great thank u.