Hello,
Thank you so much for purchasing our theme and contacting our support center. Please describe your requests in more detail. Colors of the header can be changed via Header Builder > Top header > https://prnt.sc/rr55uHjS5nuT , Bottom header, and so on. About theme update and Core plugin update you can read here – https://xstore.helpscoutdocs.com/article/63-theme-update https://xstore.helpscoutdocs.com/article/37-plugins-update
Regards
