1. Place sheet number MTEXT exactly in the middle of every sheet in the model space.
2. MTEXT justification should be ‘middle center’. And create a separate Layer for the Sheet numbers. If there are two viewports in one layout then create separate layers for both viewports.
3. Set the first Layout tab with Viewport. If required add a Title block, Attribute blocks, and Insert Field for autonumbering.

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

You may need to restart the Autodesk product to activate the app/plug-in. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.

Download the program test drawing from here: https://drive.google.com/drive/folders/19SgLRmemvuabs74YZyjnZ_WJyiymi4ZJ?usp=drive_link