Tests if the current PowerShell process is 64-bit/x64.
Test-PowerShellIs64Bit [<CommonParameters>]
Returns True
if the currently executing PowerShell process is 64-bit/x64, False
if it is 32-bit/x86.
Test-PowerShellIs64Bit
Returns True
if PowerShell is 64-bit/x64, False
if it is 32-bit/x86.