That depends on your OS.
If your OS is for x86, which mains a 32-bit System, only v86 could work. If your OS is for x64, both v64 and v86 could work, but v64 is recommended.
One way to verify whether your OS is for x86 or x64 is to check whether you can find a "Program Files (x86)" folder in your system drive (usually "C:\"). If there is one "Program Files (x86)" folder existing in your system drive, your OS should
be for x64.
Thanks
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