Operating systems 64-Bit what does this mean

The 64-bit operating system is one that is capable of storing information in memory that is at least 64 bits or 8 bytes wide. They are also based on registers, address buses, or data buses of that same size.

The History of Operating Systems – Windows 98

Windows 98 – codenamed Memphis – was released by Microsoft Corporation on June 25, 1998. Windows 98 was the successor to Windows 95 and presented a hybrid 16-bit/32-bit monolithic product which was based on MS-DOS. It was quickly followed by an updated to the operating system with Windows 98 SE (second edition) as Microsoft attempted to fix many bugs that were present in the original version.