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The app you're trying to install isn't a Microsoft-verified app

Desktop · Written guide Content date 1 min read

When installing Tax Processors Plus Desktop, Windows might display a warning:

The app you're trying to install isn't a Microsoft-verified app.

This warning occurs when you attempt to install a non-Microsoft application on a PC running Windows in S mode. S mode is a version of Windows that only allows applications from the Microsoft Store to be installed. Some PCs come preinstalled with Windows in S mode by the original equipment manufacturer.

Installing Tax Processors Plus Desktop, as well as other non-Microsoft applications, involves switching Windows out of S mode. This is a permanent change.

To remove this warning to allow Tax Processors Plus Desktop to be installed, follow these steps:

  • Right-click the Windows Start menu and choose Settings.
  • Select Apps.
  • Select Advanced app settings.
  • In the drop down menu under "Choose where to get apps", select Anywhere:

    Illustration supporting the written instructions.

  • Close the Settings window.

After having done the above steps, double-click the installation file and try again.