Solution #1:
Watch this screencast to setup Google AdWords Remarketing in Google Tag Manager.



Follow this guide to Create Audiences segment and Adword Remarketing campaign

Solution #2 (Recommend)

Google Universal Analytics also support AdWords Remarketing.

If you have setup User-definded variable in previous guide.

- Step 1: Enable Remarketing in Analytics
- Step 2: Create audiences
- Step 3: Use your Remarketing Audiences in AdWords

Updated on: 06 / 21 / 2019