Reinstall the Magento software

A contributing developer reinstalls Magento by updating composer.json to specify the Magento product version and component versions desired and runs composer update.

To reinstall the Magento software as a contributing developer:

1. Log in to your Magento server as a user with permissions to modify files in the Magento file system (for example, the >switch to the Magento file system owner.

2. Make a backup copy of composer.json in your Magento installation directory:

   cd <your Magento install dir>
   cp composer.json composer.json.bak
   

3. Open composer.json in a text editor.

4. Locate the following line:

    "require": {
   	"magento/product-community-edition": "<version>"
   },
   

5. Replace <version> with the version to which you want to upgrade, where <version> is the product version to use.

   (The product version is in the format 2.0.x) .

6. Save your changes to composer.json and exit the text editor.

7. Enter the following command:

   composer update
   

   Wait for dependencies to update.

8. Install the Magento software.