UserManagement Admin Web for WebOffice is a ASP.NET-solution and is provided by a ZIP-archive, which has to be unpacked into a manually created virtual directory in Internet Informations Services (IIS) Manager.
The easiest way to open Internet Informations Services (IIS) Manager is to press Start and enter "iis" int the search field.

Open Internet Information Services (IIS) Manager
Next a new virtual directory named UserManagementAdminWeb has to be created. Open the context menu with a right click on Default Web Site and start the Virtual Directory Creation Wizard by a click on Add Virtual Directory…

Create a virtual directory named "UserManagementAdminWeb"
Set "UserManagementAdminWeb" as alias of the virtual directory.

Set an alias for the virtual directory
Next, the path to the directory which will contain the files of UserManagement Admin Web has to be defined. Start with a click on the "…"-button. Navigate to C:\inetpub\wwwroot\ and click on Make New Folder to create a new folder named "UserManagementAdminWeb".

Set directory to the UserManagementAdminWeb files
The correct physical path reads as follows C:\inetpub\wwwroot\UserManagementAdminWeb.

The correct settings for the virtual directory