Installation of the Disclosure Management Client is performed by the Smart View extensions automatic update feature. In the Smart View menu in Excel, in Extensions, select Check for Updates to download and deploy the extension.
If you have installed and configured EPM Workspace, you can launch the Taxonomy Designer installer from within EPM Workspace. Select Tools, then Install, and then Taxonomy Designer.
By default, Disclosure Management Client is installed in /Program Files/Oracle Hyperion Disclosure Management.