Installing the package is only the first half of the process; the tools must be manually enabled within the operating system.
Look for Windows6.1-KB958830-x64-RefreshPkg.msu (for 64-bit) or Windows6.1-KB958830-x86-RefreshPkg.msu (for 32-bit).
Once installed, the tools are dormant until you turn them on: RSAT tool for Windows 7 Download - Microsoft Learn