backlinks with SEO

hi

How do you do backlinks with SEO?

Hi Friends,
Backlinks are especially valuable for SEO because they represent a "vote of confidence" from one site to another. In essence, backlinks to your website are a signal to search engines that others vouch for your content.
1. Guest posts
2. Public relations
3. Broken link building
4. Skyscraper content
5. Compile a resource
6. Find competitors’ backlinks and “steal” them

There is may tactic to get an organic backlink from reputated website. and public domain. high PA and DA website can improve your site backlink value as well as improve ranking google.com