This is the process to update Elementor Pro when you buy the license from the plugin site. 1 – Not load your website (not enter the url on the browser) 2 – On FTP of website, delete the files from the elementor-pro folder (then, empty), and upload on it the files of the purchased elementor plugin 3 – Go to WP dashboard > Elementor > License, and hit “Disconnect” 4 – Then press “Connect and activate” (as seen on the Elementor Help site). The screen loads the confirmation step 5 – When confirmed, the screen displays the OK 6 – Then go to plugins in dashboard and see the validation message The process of Disconnect and Connect could be applied when switching between test sites and production sites. Remember, according to Elementor Team, you can auto-update only Elementor core version, the Pro version can update automatically only if the activation is recognized, otherwise it must be updated uploading the files on FTP when a new version releases.