Setting up and generating a google sitemap is an important step to making your website visual in the search engine.
In the admin panel navigate to SEO > GOOGLE SITEMAP
In the upper-right hand corner click, Add Sitemap.
You will then see two fields appear
In the Filename field it asks you to label your sitemap. Type, sitemap.xml
In the Path field you will specific the path for your sitemap. Type, /
Once the fields are filled in, click the Save & Generate button in the upper-right hand corner.
Your new sitemap will then be found at, www.domain.com/sitemap.xml
If you're not seeing the sitemap appear appropriately, try flushing your cache and reindexing:
SYSTEM > CACHE MANAGEMENT. Select Flush Cache Storage at the top right of the page.
SYSTEM > INDEX MANAGEMENT. Select All, Submit next to Reindex Data at the top right of the page.
The next step will be to submit your newly generated sitemap to google. If you do not already have a Google account you will need to sign up here, https://www.google.com/webmasters/