Note
Web Deploy must be installed after IIS is installed. If you have installed Web Deploy before IIS, uninstall Web Deploy and then choose the Complete setup type to install it again; do not use the Modify feature to re-install Web Deploy.
Step 1: Download Web Deploy 3.6 (or later) from https://www.microsoft.com/download/confirmation.aspx?id=43717.
Step 2: (IMPORTANT) Make sure to select the Complete setup type when installing Web Deploy.
Step 3: When the installation is complete, select Control Panel > System and Security > Administrative Tools > Services, and make sure "Web Deployment Agent Service" is running.
