how can i add sidebar menu to the left

[Tosprog]

please help me out am new here

[Damian Culotta]

Hi @Tosprog,

If you are new with Magento maybe you can start by reading about Magento2 themes and how to build one: http://devdocs.magento.com/guides/v2.2/frontend-dev-guide/themes/theme-general.html

The documentation should provide you a clear idea about how to create and modify a theme.