Freelance Jobs

I have a piece of software that generates invoices from excel input (by uploading xls and xlsx files) AND from successful purchases on an E-commerce website. In the latter case the invoices are being generated automatically and being packed in zip files for each day. The templates for the invoice are uploaded manually and they are pre-designed. 1) You need to extract it from the given server and adjust it so it becomes easily installable on any other server. 2) "Easily installable" also ...