Apply theme Using Poweshell. $site = Get-SPWeb -Identity Insert MySite Web Application URL $site.applytheme("/_catalogs/theme/15/CustomColorPallet.spcolor",$Null, $Null,$True) $site.Update() Renaming the SuiteBar $webApp = Get-SPWebApplication Insert MySite Web Application URL here $webApp.SuiteBarBrandingElementHtml ="Enter HTML Code" $webApp.Update();