Can't install new theme on Wordpress

I just bought a theme for Wordpress and I’m getting this error when I install the wp files
Unpacking the package…

Installing the theme…

Could not create directory. /home3/comedyfo/public_html/wp-content/themes/wt_becks/

Theme install failed.



Contact the hosting provider, they will be able to sort out permission errors for you.

yes, You must change chmod to parent folder to - 777 … or 775 if you know what to do then