A: Our shopping cart application should be installed not on your personal computer but on the hosting server that hosts your website. Hosting servers typically run on different operation systems than Windows XP personal edition. In fact, most of the servers run Unix or Linux operation system. Other servers run Windows server edition, such as Windows NT. Few servers operate Mac OS X server edition. Our cart can run on any of the above servers. Majority of the hosting servers meet basic requirements for our cart to run. If you are not familiar with installation of the software on hosting server (i.e. on your website) our tech can assist you with it.