This includes all the core files used to run Presta Shop, all default modules and the default theme.If you have made any modifications to those files, your changes will be lost.
For instance, make sure that your web host does provide you with the required versions of PHP and My SQL.
If you web host won't update your server configuration, then it is time for you to find a better host.
Do NOT perform any upgrade unless your server at least meets the system requirements.
You are also limited to the manual upgrade process: the 1-Click Upgrade module can only work with Presta Shop 1.4 and later versions. The older your version is, the more you should pay attention to details: backups, custom files, edited theme, etc.
Since 1991, Lexmark has been a recognized and lauded leader in imaging and output solutions that help people and organizations better manage their information, improve processes and reduce their costs. Most people find that they can’t make it around to every exhibit and contest because we have so many, so it is advisable to get here close to 9 am.
It is therefore highly advised to keep up with the latest version.