Hello SharePointers,

Below is the powershell script to configure sharepoint designer using Powershell Commands.

$webAppObj = Get-SPWebApplication -Identity http://spdev/site

$webAppObj.AllowDesigner = $true
$webAppObj.AllowRevertFromTemplate = $true
$webAppObj.AllowMasterPageEditing = $true
$webAppObj.ShowURLStructure = $true

Happy SharePointing Folks 🙂