how do i get first order and also promote my fiverr account …where need to do marketing.?
Send buyers request
Promote on social media like Facebook, Twitter, Reddit
Be active on forums most especially Quora.
Success is sure
Also check out: https://forum.fiverr.com/c/Fiverr-Tips/tips-for-sellers for hundreds of tips on how to get orders.
You will find all the tips you need in the above.