The new Google Ads experience is now the exclusive way for most users to manage their accounts. If you’re still using the previous AdWords experience, choose “previous” below. Learn more

For Search Network and Shopping campaigns:

1. Under the Campaigns tab, click the Audiences tab.
2. Below, click the + Targeting button.
3. Under "Add to" select Campaign or Ad group, depending on which level you want to add your targeting.
4. Click the Add campaign targeting or Add ad group targeting drop-down menu and select Interests & remarketing.
5. Click the Select categories drop-down menu and select Similar to remarketing lists.
6. Click the double arrows » next to each similar audience you want to add. Your audiences will appear in the "Selected audiences" column.
7. When you're finished, click Close and then Save.

For Display Network campaigns:

1. Sign into your AdWords account. 
2. Under the Campaigns tab, click the Display Network tab.
3. Below, click the + Targeting button.
4. Select the ad group of a "Display Network only" campaign with the marketing objective "Buy on your website." You can also select ad groups of "Display Network only – All features" or "Display Network only – Remarketing" campaigns.
5. Click the "Add targeting" drop-down menu and select "Interests & remarketing."
6. If you're in a campaign with the objective "Buy on your website" or a "Display Network only - Remarketing" campaign, select the "Show similar audiences" checkbox. If you're in a "Display Network only - All features" campaign, select "Similar audiences" from the drop-down menu.
7. Click the double arrows » next to each similar audience you want to add. Your audiences will appear in the "Selected audiences" column.
8. When you're finished, click Close and then Save.