Installation is a free service, so you can just ask me, and I install any my extension by myself.
If you prefer to install my extension by yourself, then follow the instruction below.
Step 1
Make sure your have Composer installed (e.g. type the composer command), and install it if it is absent.
All the following commands should be executed in the Magento 2 root folder!
You can check the current folder with the standard Unix pwd command.
See also: How to locate a Magento 2 installation folder on an unknown server?
Step 2
Add the extension’s package to the Magento 2 root composer.json file
Step 3
bin/magento setup:upgrade
Step 4
rm -rf pub/static/* && bin/magento setup:static-content:deploy <locale, e.g.: en_GB>
How to deploy the static files for a custom locale?
Step 5
rm -rf var/di var/generation generated/code && bin/magento setup:di:compile