update dlii 7 to dolli 8

Hi
i have dooli 7 in localhost.
I want do update in dolli 8

i must download file installer for windows and reinstall o this action go in crash the program ?

Thank you for your responds

Roberto

You better have to backup the existing v.7 then install the v.8. It should be automatically upgraded and you will see the info after login.

Thank you . upgrade is ok

Roberto

ok thank …problem resolved