Install magento2 Sample Data | How to install magento2 sample data after installation using CMD
Install Sample Data Using Composer In Magento 2
Step 1 : Open CMD : php bin/magento sampledata:deploy
Step 2 : After successfully installing Magento 2 sample data, run the following commands step by step.
php bin/magento setup:upgrade
php bin/magento setup:static-content:deploy -f
php bin/magento cache:clean