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New versions of PrestaShop come every few months, sometimes even weeks apart. Some are major, most are minor, but they all bring a slew of innovations, improvements and bug - fixes. It is therefore highly advised to keep up with the latest version.

There are two ways to upgrade PrestaShop:

The automatic upgrade simply uses the free 1-Click Upgrade module.

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In case anything goes wrong, you should learn how to backup your data and how to restore it.

If you need help for other issues, read this page.   

PrestaShop support

For any support request or help to setup your website, contact us and discover our support offers.Our support team is at your disposal for all technical problems related to the upgrade of your PrestaShop store:

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If you web host won't update your server configuration, then it is time for you to find a better host. Do NOT perform an any upgrade unless your server at least meets the system requirements.

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You should therefore be even more careful. The older your version is, the more you should pay attention to details: backups, custom files, edited theme, etc.