Upgrading from 2.3.x to version 2.4.0:

1) Extract the new version into a folder.
2) Move your Credentials folder and Data.db file from your old folder to the new one.

As always you can download the latest version from our website www.thearbibot.com
If you have any questions you can check our documentation https://wiki.thearbibot.com or you can send me message on Telegram at https://t.me/bzcorp.