You are reading the documentation for Age Gate 2.x. Switch to the documentation for 3.x.

You can simply update the plugin via the WordPress admin section. However, it is always advisable to update any plugins in a non-live environment first to ensure functionality is as expected.

Updating from v1.x to v2.x

Efforts have been taken to ensure a smooth update from v1 to v2, but v2 should be considered a breaking change and it is advised to test the new version in a development environment first. The v1 settings will be retained until upgrading to the next release.