The report predicts that the installed base of 64-bit Windows server operating systems will grow from 1.3 million worldwide in 2006 to 10.5 million in 2009 but notes that “the pivot point for ...

What to Know All Windows 11 installations are 64-bit, and Windows XP is most likely 32-bit. For Windows 10, 8 & 7, go to Control Panel > System and Security > System. Check System type.

AS PART OF its ongoing effort to “reinvent” its venerable mainframe line IBM dropped the other shoe on Monday, delivering its new age 64-bit mainframe operating system called zOS.