Installation via FTP
danger
You need to have WebForms Pro 3 installed prior to this add-on installation.
Copy app folder from the zip archive to your Magento directory so that it merges with app folder of your site.
Execute commands:
php bin/magento module:enable MageMe_WebFormsSalesforce
php bin/magento setup:upgrade
Update
Get the latest version files from your account area My Downloads section.
Copy contents of the zip archive to your Magento directory so that the app folder is merged with the app folder of your site.
Execute console command:
php bin/magento setup:upgrade