Complete the following steps with administrative privileges. Take Windows Server 2012 R2 for example:

Note: If you install Web Server and Web API Server on the same machine, both of them will be uninstalled after you run the above steps.

1.Click the Windows start menu and then click the icon to open the Apps pane.

2.Right-click the Uninstall NetBrain Integrated Edition app in the pane, and then select Run as administrator from the drop-down list to launch the Installation Wizard.

3.Click Yes when a confirmation dialog box pops up.

4.Click Finish to exit the Installation Wizard.