1. Open Site settings at the root of your site collection;

    SiteSettings.PNG

  2. Select Solutions, under Web Design Galleries;

    Solutions.png

  3. Select the already existing web part solution and Deactivate it;

    Deactivate WSP.gif

  4. Once it finishes deactivating, Delete the solution from the gallery;

  5. On the tool bar click Upload Solution and select the installation .wsp file (ex.BTXXX_x.x.x.x.wsp)

    Install WSP.gif

  6. As soon as the upload is complete, click on Activate and wait for the page to refresh.

    Activate WSP.png

Web Part upgraded! ✅