To install a boostmyshop magento2 extension on your platform, process the following steps:
php bin/magento module:enable BoostMyShop_PointOfSales php bin/magento setup:upgrade php bin/magento setup:di:compile php bin/magento setup:static-content:deploy
Once everything is done, go back in Magento, select menu system > web setup wizard, then click on the component manager button : you should see the new extension here.
The upgrade process is exactly the same as the installation process
To disable an extension, select menu system > web setup wizard, then click on the component manager button.
Find the extension you want to disable and select “disable” in the “Actions” column.