A "64-bit version" refers to a type of computer architecture that can process data in 64-bit chunks. This allows for greater memory addressing capabilities, enabling systems to utilize more than 4 GB of RAM, which is the limit for 32-bit systems. As a result, 64-bit versions of operating systems and applications can handle larger files and run more complex programs efficiently. Many modern computers and operating systems, such as Windows, macOS, and Linux, offer 64-bit versions to take advantage of improved performance and multitasking. Users with 64-bit processors can benefit from these versions, as they provide enhanced speed and better resource management compared to their 32-bit counterparts.