A 64-bit version of Windows. Many editions of Windows have come in 32-bit and 64-bit versions. A 64-bit version only runs in a 64-bit CPU; however, 32-bit Windows also runs in a 64-bit CPU. See 64-bit computing and x64.
"Win64." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/win64>.
Win64. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/win64