Open Command Prompt (cmd) as Administrator and navigate to the folder containing the file. Run:
Because this is a 32-bit driver, you cannot use the standard "ODBC Data Sources" app found in the Windows Control Panel (that usually opens the 64-bit version). You must use the 32-bit specific administrator tool. psqlodbc_x86.msi
The _x86 designation explicitly indicates the driver targets , even when running on a 64-bit version of Windows. Open Command Prompt (cmd) as Administrator and navigate