Windows Nt 64 Bit (Tested - HACKS)

This was a true 64-bit operating system with a native 64-bit kernel, 64-bit system processes (like the Session Manager and Plug and Play), and support for a massive 16 terabytes of virtual memory. However, it was a commercial disaster. Because Itanium could not run legacy x86 code efficiently (using a slow software emulation layer), users found that their existing 32-bit applications ran like molasses. Moreover, device drivers had to be rewritten for IA-64, a market that never materialized outside of high-end servers.

Furthermore, within that 4GB address space, a significant portion was reserved for the operating system kernel and hardware mapping. A user playing a game or rendering a video might only effectively access 2GB to 3GB of RAM, regardless of how much physical memory was installed. The industry was hitting a physical wall. The solution was the move to 64-bit computing. windows nt 64 bit

The release of Windows 7 in 2009 changed everything. By this time, RAM prices had plummeted. It became common to buy a laptop with 6GB or 8GB of RAM. Since 32-bit Windows could not utilize this memory, consumers were essentially forced onto the platform. This was a true 64-bit operating system with

For developers and IT pros, the practical differences are critical: Moreover, device drivers had to be rewritten for

"Windows NT was only 32-bit." Reality: The NT kernel was designed for 64-bit from 1989 onward. The first shipping 64-bit NT was on DEC Alpha in 1996.