Installation
1) Install WordPress 5.4 or higher
2) Download the latest from:
https://wordpress.org/extend/plugins/admin-block-country
3) Login to WordPress admin, click on Plugins / Add New / Upload, then upload the zip file you just downloaded.
4) Activate the plugin.
Plugin author
Plugin official website address
https://wordpress.org/plugins/admin-block-country/
If you encounter problems in using the Admin Block Country plugin, you can comment below, and I will try my best to help you solve the problem