...
Choose whether you want to use an existing advertiser or create a separate advertiser for your partner referral program. To create a separate advertiser, make sure you follow the instructions for the advertiser setup in this article. Do not create any conversion targets or product categories. You also do not need to configure and implement tracking codestags.
Click on ‘configuration’ in the administration section and proceed to click on ‘platform’ in the sub-navigation menu. Scroll down on the page you seen now until you see a section called ‘partner referral program’.
Activate the tick box next to ‘enable partner referral program’. If you do so, you will find that the other options in the section will no longer be greyed out.
Proceed to select the advertiser you want to use for your partner referral program. To select your advertiser, you can use the advertiser filter type to choose whether you want to display the advertisers on your platform in a list or select them using a search box.
...