When installing NotePad 2012 on macOS 10.12 (Sierra), in some cases it is may not be enough to simply adjust your Gatekeeper settings. Instead, please try this specific workaround:

  1. Open the file NotePad2012Mac.dmg, which can be downloaded here.
  2. CONTROL-click the file Install FinaleNotePad.app and choose Show Package Contents. A new Finder window opens.
  3. Double-click the Contents folder.
  4. CONTROL-click the file InstallProduct.mpkg and choose Open. The following message appears:


  1. Click Open. The NotePad installer appears.
  2. Continue with the on-screen prompts to complete the installation.
  3. Restart your computer when finished installing.