Hi There,
First of all, if you are beginner and don’t have the basic knowledge in this field then you should hire someone else expert to help you.
Moreover, you could search on google.com to learn more about How to customize HTML Template? How to customize WHMCS Template? etc.
For HTML Template:
Please follow our documentation’s FAQ that we have provided with the main files.
For WHMCS Template:
You will find the header content in header.tpl and will find the footer content in footer.tpl to change.
Moreover, we are unable to provide you more clear instruction than our documentation that we have provided with the main files.
By the way, there are some tutorials below that will help you.
Please review the references:
http://www.mojo-themes.com/2010/06/installing-an-html-template/
VIDEO
VIDEO
http://docs.whmcs.com/Installing_WHMCS
VIDEO
Please Note: Mainly, our template is an HTML template and we just provided support by customizing WHMCS header and footer and color based on our template for FREE of cost with our HTML template.
Best Regards,
ThemeLooks Support Team