To get started, navigate to the homepage of your GitHub repository.

A list of open pull requests will appear next. Select the one you want to approve to bring up the detailed pull request page.

You can approve the request by merging it into the main branch if everything looks good. Hit "Merge pull request" to begin the merge.

Add a name and description, and hit "Confirm merge" to finalize the changes.

If you're working on a team or an open-source project, you might nee to approve and merge pull requests often.  Pull requests can be merged back into the main branch after code reviews. Here's how you approve a pull request on GitHub in a few quick steps.

How to Approve Pull Request GitHub