Run Powershell as Administrator, then run the command below to install IIS. Install-WindowsFeature Web-WebServer Check after installing Get-WindowsFeature *Web*
Delete cached files on server running IIS When changing css, javascript files, check to delete if IIS still caches old files in the default folder C:\inetpub\temp\IIS Temporary Compressed Files\<sitename>\$^_gzip_D^\ Apply to: IIS 8.5