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Updating PrestaShop

New versions of PrestaShop come every few weeks. 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 5 steps to follow for a successful upgrade:

  1. Save and Backup Your Current Shop
    This step consists of backing up your database and your files. This step is not to be avoided, and should never ever be ignored or skipped. Do not proceed to step 2 without completing this step.
  2. Getting Ready for the New Version
    This step consists of preparing the files that you will need to copy into the new version of PrestaShop.
  3. Starting the Update
    This step consists of starting the upgrade script which will upgrade your database.
  4. QA and Testing
    This step consists of doing various checks to make sure that the store has been properly updated to the latest version.
  5. Going Live with the New Website
    This step will accompany you in going live with the latest update.

These five steps are necessary for a successful upgrade. Please pay close attention to any of them, and do not skip any steps.

Done well, the whole update process described within these pages should not take more than half an hour. Do not try to skip a step in order to be done with it faster, as all steps are crucial.

The root page PS15:@self could not be found in space PrestaShop 1.5.

Video tutorial

Rather than read the following page, you can follow the very same steps explained in a video: Update your store to PrestaShop v. 1.4.
Plutôt que de lire ce long texte, vous pouvez suivre les explications de la vidéo suivante : Mettre à jour PrestaShop en version 1.4.

PrestaShop support

For any support request or help to setup your website, contact us and discover our yearly support offers.

Our support team is at your disposition for all technical problems related to the upgrade of your PrestaShop store:

Checking the requirements for the new version

Before you do anything to your current install of PrestaShop, check that your server configuration matches or exceeds the minimum requirements for the latest version of PrestaShop. For instance, make sure your web host provides you with the required versions of PHP and MySQL. If not, ask him to update the server. If you are unsure which PHP and MySQL versions you are using, ask your web host.

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 upgrade unless your server at least meets the system requirements.

The minimum requirements for the latest version of PrestaShop are available on the official PrestaShop download page.

If upgrading from a version below 1.4.x

Older versions of PrestaShop might not make it as easy to upgrade to the latest version: the code base is quite different, many files have moved around, created or deleted, and the risk is high, when skipping from a very old version to the latest one, to see errors and mistakes aplenty.

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

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