Keystone Accounting Lite has an OTA (Over The Air) updater functionality built in. Go to Site Settings ->Updates and if a new update is available, the system will ask you to update.
Just click "Download Update" and the app will automatically download the new update, install it and migrate the database if necessary.
This will update your system with the latest version and all the new features we added.
We recommend making a backup of your app and database before installing a new update.