[Koha] Upgrade

[Michael Kuhn]

Hi D. Gnanasekaran

You wrote:

 > I am using the version 19.05 and would like to upgrade to the higher
 > versions. May I know the step by step procedures for the upgrade?
 > with thanks,

You will find the official upgrading instructions at
https://wiki.koha-community.org/wiki/Koha_on_Debian#Upgrading_Koha

Of course it is also a good idea to create a backup before trying to 
upgrade.

Hope this helps.

Best wishes: Michael
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