PDF- XChange PRO supports all Windows (32/64 bit) operating systems from Windows XP* and later:
Figure 1. Supported Operating Systems
Please note the following:
•We recommended that users install the latest Microsoft Windows service packs and updates before using our products, as doing so will ensure the greatest possible performance of the software.
•Our products - in particular the printer drivers that PDF-XChange Standard and PDF-XChange Lite utilize - are not designed to work in virtualized environments such as the XenApp software.
•*There are some limitations to product support for Windows XP as Microsoft have stopped supporting it. Further information about this issue is available here.