how to upgrade from 1.5.9 to last version?

[enriquei]

Hi There
i have old verion of coppermine

how can i upgrade the version from 1.5.9 to the last version without losing the images or any data ?
waiting your help
thanx

[lurkalot]

There's a whole section in the Docs about upgrading. http://documentation.coppermine-gallery.net/en/upgrading.htm#upgrade

As you are already using 1.5.x you need to read http://documentation.coppermine-gallery.net/en/upgrading.htm#upgrade_any

[enriquei]

thanx for your reply

the new version is better for google seo?
and can show the albums in better ranking?

also i notice that in all albums google never give page rank