This post explains what is Windows 64-bit Itanium based system. Windows XP version and Windows Server 2008 R2 editions supported x64 Itanium.

Not sure if your installed version of Windows is 32-bit or 64-bit? One quick way to tell is by looking at information about your operating system installation in Control Panel.

Windows 10 on ARM: S versus Pro, emulation and 64-bit app support Microsoft says that the new Windows on ARM PCs give you the "familiar Windows experience".

If you're confused about the differences between a 32-bit and 64-bit operating system, we break down the key differences between them. Here's what we know.

This HEXUS.help guide explains the essentials required to run a 64-bit operating system and native 64-bit applications on a modern 64-bit capable PC system.

Windows tells you whether you have a 32-bit or 64-bit operating system. In addition to noting the type of OS you’re using, it also displays whether you’re using a 64-bit processor, which is ...