Prestashop - 1.4 User Guide
This options enable you to have some control on the upgrade process:
Don't save images: the upgrade process normally doesn't touch
your images folder. If you have made a proper back of all your files,
you might wish to let the process take care of that folder too, in
you might wish to let the process take care of that folder too, in
order to have a clean install again and re-upload your files.
Nevertheless, it not recommended to do this.
Nevertheless, it not recommended to do this.
Keep theme "prestashop": the upgrade process overwrites the
default theme with its latest incarnation. If you have made changes
to the theme directly, you can protect these changes by choosing
default theme with its latest incarnation. If you have made changes
to the theme directly, you can protect these changes by choosing
"Yes". As a reminder, it is NOT recommended to edit the default
theme! You should make a copy of the theme, and make changes to
theme! You should make a copy of the theme, and make changes to
that copy.
Keep translations: same as for the default theme, if you have
made changes to the PrestaShop translation files, you can protect
theses changes by choosing "Yes".
theses changes by choosing "Yes".
The Upgrade process
The update button itself is at the center of the page.