Submitting your sitemap to Google Webmaster Tools allows Googlebot to crawl and index your site more effectively by giving them a full list of your site’s pages.
Note: You can click on all screenshots below to view at a larger size.
Step 1: Before you submit your sitemap to Search Console, you will need to generate your sitemap file and upload it to the root of your site, most commonly under the path: /sitemap.xml
Step 2: Log in to Search Console and select Crawl, then click Sitemaps on the left navigation
Step 3: Click the Add/Test Sitemap button in the top right corner
Step 4: Enter the URL of your sitemap, then click Submit