In order to run the SMITE game client as 64 bit, you will need to perform the following steps.
NOTE: This command is case sensitive. Additionally, this will not work by adding it to the shortcut. It must be added to the command line option as described above.
- Open the SMITE game client
- Click the 'Gear' icon in the lower left corner of the login window
- In the 'Optional game command line parameters:' field, enter '-Use64' without the quotation marks
- Press 'Apply' and log into the game