why to put 32 behind thr regsvr32 while registering component object model?

I am excited to know that what is the specific purpose to put 32 behind regsvr. why not regsvr64 ? In explain what is the significance of this 32 here ?

Solution

It's just the same historical name, but you actually have two versions of regsvr32.exe on your 64-bit system:

C:\Windows\System32\regsvr32.exe - can register both 32 and 64 bit COM DLLs C:\Windows\SysWOW64\regsvr32.exe - can only register 32 bit COM DLLs

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