Despite programming refusal of a few brands programmers honor programming entitlement, it has been enforced by courts in some nations. Two specialized variants of XP were introduced in 2002 for sure different types of hardware, solely by way of OEM channels as pre loaded tool. Windows XP Media Center Edition was originally designed for prime end home theater PCs with TV tuners advertised under programming term “Media Center PC”, providing expanded multimedia functionality, an digital program guide, and virtual video recorder DVR support via programming Windows Media Center application. Microsoft also unveiled Windows XP Tablet PC Edition, which contains further pen input features, and is optimized for mobile instruments meeting its Tablet PC requirements. Two other 64 bit editions of XP were made available; programming first, Windows XP 64 Bit Edition, was meant for IA 64 Itanium methods; as IA 64 usage declined on workstations in favor of AMD’s x86 64 architecture which was supported by programming later Windows XP Professional x64 Edition, programming Itanium edition was discontinued in 2005. Microsoft also focused emerging markets with programming 2004 introduction of Windows XP Starter Edition, computer science one of a kind variant of Home Edition intended for reasonably priced PCs.