Copy the extension to phpBB/ext/phpbbservices/filterbycountry
Go to "ACP" > "Customise" > "Extensions" and enable the "Filter by country" extension.
A Dutch translation maintained by is available here: https://www.supportforum.be.
This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.
GeoLite software is included in the /vendor directory. After installation, the GeoLite2 Country database is placed in the /store/phppbbservices/filterbycountry directory. This database is updated approximately once a week using phpBB's cron feature.
The following license applies to the remaining software in this extension: