Convert prestashop Theme to Magento Theme

I'm currently using the PrestaShop and want to move to Magento, and I'd like to maintain storefront appearance. il move products categoreis etc. myselves, The prestashop theme is from template monster with some modification, The magento themplate must be easy to install on other sites also, so i need a intruction on how to install it if i want it on other magento sites later. Im not paying starting fees or kick of fees, only full payment on finisht work.