1-Could you please provide the photography of the COA (Certificate of Authenticity) of at least 25 instances of the Windows Desktop products that you reported in use and were acquired preinstalled (OEM) in order to be validated in our system?
2-At Operating System level, is not recommended to use Windows Home Basic, Windows Home Premium, or Windows Starter as the operative System in commercial/corporate environment. The main reason is because these products are not designed for use in business and they have some limitations such as the difficulty to be included in a corporate network or "domain" Active Directory and other functions that optimize the performance of devices in the enterprise environment. For these cases Microsoft has developed the legalization package "Get Genuine Windows Agreement" that offer a simple way to purchase Windows 8 Professional edition that allows these PCs to qualify for future updates with Volume Licensing and Software Assurance benefits. This capabilities are not included with Home and/or Starter editions.
3-Because since April 2014 Microsoft finished the support for Windows XP, we inform that the versions of Windows Desktop deployed in your company are outdated, for this reason we recommend to migrate to the most stable and reliable version existing in the market, Windows Professional 8.1 under a Volume Agreement, because this model eases the installation and management of your licenses, offers tax benefits and the possibility of acquire Software Assurance.