The reasons are a bit technical, but the upshot is that 64-bit is the future, even though Microsoft continues to produce 32-bit operating systems.
Ihe ndị kpatara ya bụ ọrụ ntanetị, ma ọ bụ nchịkwa ahụ bụ na 64-bit bụ ọdịnihu - ọ bụ ezie na Microsoft na-aga n'ihu na-arụ ọrụ sistemụ arụmọrụ 32-bit.