Friends and family: talk about the templates and the problem they solve. Ask them politely to use your referral link or code.
Instagram and TikTok: insert your affiliate link or code in the bio. Then, post on your feed and stories about the product and lead them to the link in your bio.
YouTube: use the affiliate link in your video description and talk about the product in the video, or in a portion of the video.
Blog or community forum: talk about the product with your community and share the link or code with them. You can also insert your link or code inside a blog post.