Software Catalog Policies for Software Catalog. Software Catalog Configure Software Catalog Enables Software Catalog and controls whether users may install or uninstall software and whether required software is installed automatically. Configure allowed software Configures allowed software below HKLM\Software\Policies\STL\Softwarekatalog\Catalog. Value name is alias, value format is PackageId|DisplayName|Description. Client reads up to 500 entries. Configure required software Configures required software below HKLM\Software\Policies\STL\Softwarekatalog\Required. Value name is a catalog alias, value is 1. Client reads up to 500 entries. Allow users to install software Allow users to uninstall software Automatically install required software Allowed software. Name = alias, value = PackageId|DisplayName|Description. Required software. Name = catalog alias, value = 1.