4. Within your Google Adwords account, you will click on the “shared library” tab and create a remarketing list from audience section.
This will provide you with an Adwords tag. You will want to add this tag to all of your web pages, right before the tag. If you are not familiar with coding, just shoot this over to your developer. It will not take them more than 10 minutes to implement and can be customized based on your goals.