Here are the things you can do to grow your channel for free: 1. Regularly creating and uploading quality content. Engaging and informative videos will help to attract new viewers and keep existing ones coming back for more. 2. Take advantage of social media platforms to promote your channel. Share your videos on Facebook, Twitter, and Instagram, and be sure to include links back to your YouTube page. 3. Collaborate with other YouTubers or participate in online communities related to your niche. By putting yourself out there and building relationships with other members of the YouTube community, you can organically grow your audience and expand your reach. 4. Don't forget to take advantage of YouTube's own promotional tools. Make use of tags, keywords, and thumbnails to ensure that your videos come up in search results. 5. Consider running ads to reach a wider audience.