Steps of updates

1. Please download the updated file from where you purchased the application. The zip file is inside two files in it called the manual_update.zip and amazcart_update_v3.9.1_to_v4.3.zip

2. Login into your serve/Cpanel upload the manual_update.zip file on root of your website files.
3. Extract the manual_update.zip or manually remove vendor folder and Extract the manual_update.zip
4. Login into your website admin panel and go to System Setting > About and Update.
5. Upload amazcart_update_v3.9.1_to_v4.3.zip by file uploader