SunNative Extension Installation Process:-

1. Download the package
2. Copy and paste under Magento root directory, folder structure should be like this magento_root/app/code/Sunarc/Mobile
3. Go to the Magento root directory
4. Run the command : sudo php bin/magento setup:upgrade
5. Delete the di, generation and cache from var/
6. Run the command: sudo php bin/magento setup:di:compile
7. Run the command: sudo php bin/magento cache:clean
8. Give the read and execute permission var/di, var/generation, var/cache.