Unable to Update Word Press Website that is hosted on a Sub Folder

Avg Bid (USD)
Project Budget (USD)
$30 - $30

Project Description:
Note - the domain name "NEWDOMAIN.COM" - already points to the WP Site - domain.com/WP_install/

Requirements :
Allow an already hosted WP site that is on a sub folder - domain.com/WP_install/ - when accessed by the NEWDOMAIN.COM - not to show on the URL/ADDRESS BAR - that its on the Sub Folder

For instance - if i am on the NEWDOMAIN.COM and i click About us - i should see "NEWDOMAIN.COM/ABOUT-US/ and not - domain.com/WP_install/about-us/

Time Frame - 1 Day

Skills required:
CSS, HTML, MySQL, PHP, Wordpress
About the employer:
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