Installing and activating IIS Express on Windows (11/10) is described in this article. Start by downloading IIS Express from the Microsoft website's official IIS Express page. After that, install the software by opening the installer and following the prompts on the screen. Verify from the Start menu after installation.

To activate IIS Express, take the actions listed below.

Step 1. Search and open "Turn Windows features on or off" from Control Panel > Programs and Features

Step 2. From "Turn Windows features on or off" window search and on check box "install and enable the IIS express" option and click ok.

Step 3. Windows Feature update will update the required files. After Completing Click Close.

After completion go to start menu and search IIS Express manager will get enable in your system.