The 64-bit version of Windows 8.1 Pro offers several features that make it a popular choice for business users. Some of the key features of Windows 8.1 Pro 64 bit include:
A Windows 8.1 Pro product key is a 25-character code that is used to activate a copy of the Windows 8.1 Pro operating system. The product key is used to verify that the copy of Windows 8.1 Pro is genuine and has not been pirated or tampered with. The product key is typically entered during the installation process, and it is used to unlock the full features of the operating system. windows 8.1 pro product key 64 bit