[Koha] How to upgrade koha without loss of data

Hi I want to upgrade my koha installation from version 3.2 to the latest stable version without loss of data entered in my database and without loss of my koha preferences and the updates that i have made in certain parts of code. Is this possible? Please help With thanks in advance -- View this message in context: http://koha.1045719.n5.nabble.com/How-to-upgrade-koha-without-loss-of-data-t... Sent from the Koha-general mailing list archive at Nabble.com.