How to Find Landing page & Conversion Path In Google Analytics?

If you want to know what pages users lands on, you can use landing page report.

Behaviour >> Site Content >> Landing Pages

If you need which path they went through in order to convert, you need to setup a goal in GA and use Reverse Goal Path

Conversions >> Goals >> Reverse Goal Path

and conversion path report exist in Multi-Channel Funnel Report

Conversion >> Multi-Channel Funnel >> Top Conversion Path

You can learn more about these reports through these articles.

https://wiredimpact.com/blog/landing-pages-report-google-analytics/

https://www.lunametrics.com/blog/2013/05/22/reverse-goal-path-underappreciated-google-analytics-report/

https://support.google.com/analytics/answer/1191209?hl=en