how to add login menu on top bar of header

Can you provide us with more information such as; what theme you’re using? or what’s the URL of your website?

thx 4 the reply , iam using press customizr theme
url : https://www.gopcsoft.com

I’m sorry but as you appear to be using a commercial theme, you need to seek support from the theme’s developer/vendor. We do not have access to, nor do we support, commercial products here.