Need to fully set up, data revise, products/category rearrange my half build opencart ecommerce webs

This is a half-ready opencart e-commerce website, has payment,mailchimp , import/export, products manager, mega menu, Quick search, image manager extension build in already.
all the products data were imported but not organized.(around 3000products)

Projects:

1)fully set up all the functions I need.I will provide other website as example
2)re-arrange Category and products