Maintainence, service and upgrades available for the following Operating Systems:
Windows 10
Windows 7
Windows Visa
Windows XP Home
Windows XP Professional
Windows NT Workstation
Windows 95/98/ME
Windows 2000 Pro
Windows 2000 Server
Windows 2003 Server
Windows 2008 Server
Windows NT Server
Windows CE
Pocket PC
Windows Mobile
Raspbian
Linux
FreeBSD
Unix
MS DOS
Palm OS
OS/2
Solaris
Some operating systems do not support upgrading