Update installation
1. Use composer:
| composer update blackbird/discontinued-product |
(2. Or) manual installation:
- Delete the folder “Blackbird/DiscontinuedProduct” in app/code/Blackbird.
- Extract the files from the package to the Magento 2 root directory.
- in the latest versions, you will also need to install the requirement "blackbird/extensions-core", you can install it by following this doc.
3. Run the following command:
| bin/magento setup:upgrade |