Search notes:
System.Environment: Is64BitProcess / Is64BitOperatingSystem
Is64BitProcess
The
static
property
Is64BitProcess
returns
true
if the current
process
is a 64-bit process.
Is64BitOperatingSystem
The
static
property
Is64BitOperatingSystem
returns
true
if the current operation system is a 64-bit OS.
See also
Determine if a computer has 64 bit CPU/OS
System.Environment
Index