Go to https://po.sikkasoft.com and enter your Optimizer Classic credential information.
Click on the 'Gear' box and select 'Regional Settings'.
Select your Country. You will see changes in the currency, time, and date format. Once you completed your selection, click 'Save'.
You will receive a confirmation that 'Regional settings saved successfully'. Simply click 'Close' below for the 'Regional Settings' window to go away.
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