Steps to do:
1. Be strong with ON page SEO by building unique contents with low competition keyword. Also, place main keywords in meta description tag. Your site must be image and video optimized and the loading speed must be fast. These are the things which make your site Google friendly.
2. Then build backlinks using PBN or Guest post or both with good metrics. Also, share your links in social media as well as blog comments in your niche.
3. Avoid broken links which connect with your site. Better to build backlinks in your niche and the site must have high authority.