Upgrade Shopping Cart Software to x-cart pro

This project requires to change our website shopping cart software to the x-cart pro. Our website is a digital product website with instant download function. There are about 150 products, 317 customers, 48 link partners and 259 order records. You are required to: 1/ Install the x-cart pro; 2/ import the existing database to the x-cart pro(some membership data may be encrypted); 3/ ensure the new product page properly displayed; properly link up the digital product files so that its download link will be properly sent to customers after their purchase; 3/ customize the add-on template skin (template visual scheme: Artistic tunes- business); 4/ redirect about part (about 30) of the old dynamic PHP product pages, reciprocal partner links to the new corresponding page; 5/ install a ‘reciprocal link manager’ script and incorporated it to the website (we provide the script). 6/ install a new ‘helpdesk’ script to replace the contact us page and incorporated it to the website (we provide the script). During upgrade/modification, you should maintain normal operation of the website. It is recommended to test all the modification, new database in your server before transferring it to us. Acceptance test is required before final switching to the new software. The maximum budget of the project is USD500. An extra bonus equal to 30% of the bidding cost will be given if you can complete the work within 5 days from the date after your acceptance of the project. Half of the project sum will be paid upon completion of half of the project and the remain balance will be paid upon completion of the project.