Hello and welcome to this site. As you are new you should firstly start by Introducing yourself. Then you must join communities and post every day and must post quality content for high upvotes. And also participates in different contests. .
https://steemit.com/guide/@steemitblog/steemit-a-guide-for-newcomers

You also must review this blog by @steemitblog. It will answer your queries more.