Go to https://po.sikkasoft.com and enter your Optimizer Classic login credentials, then click the Sign On button.
Click on the Profile Picture icon in the top right corner of the Dashboard, then click directly on the Profile Picture.
Select Choose File, select a photo from your computer library, then click the Upload button.
You should see the image you uploaded along with a confirmation that says "Profile picture uploaded successfully". Click Close.
To view your personalize photo, click on the Profile Picture icon in the top right corner of the dashboard. You should now see the image you just uploaded.