64-Bit Programming

The current version of 64-bit Windows supports the x64 and Intel Itanium Processor Family, and is built for the highest levels of scalability. It has support for up to 64 processors and 16-terabyte (TB) of memory (architectural limit). This page contains links to information for developers interested in creating 64-bit applications.

Articles

Introduction to Developing Applications for the 64-bit Itanium-based Version of Windows
Learn how to use existing facilities provided by the Windows API to build scalable, enterprise-class, 64-bit applications.

Windows Data Alignment on IPF, x86, and x86-64
Microsoft Program Manager Kang Su Gatlin gives developers the information needed to confront data alignment problems critical to the performance of 64- and 32-bit applications developed for the Microsoft Windows XP and Microsoft Windows Server 2003 platforms.

Secure the Enterprise with 64-Bit Intel Architecture
Discover how the characteristics of processor architecture can contribute to software defects that affect system security.

Multimedia

Route 64 - Kang Su Gatlin talks about 64-bit
In this first part of a Channel 9 series, Program Manager Kang Su Gatlin from the Visual C++ compiler team talks about 64-Bit programming and why it's interesting and important for developers.

Resources

Getting Started with the 64-Bit .NET Framework
Find out how to start programming 64-Bit .NET Framework applications today.

Windows Server System: 64-Bit Computing
Windows Server System integrated server software helps organizations scale up beyond the limits of the 32-bit x86 architecture, with support for up to 64 processors and one terabyte of memory.

Windows XP Professional x64 Edition
Find information about Windows XP Professional x64 Edition.

Documentation

64-bit Windows Documentation
Find documentation in the MSDN Library to help you developer for 64-bit based versions of Windows.