Lyra Collect payment modules can be added in two ways:

Automatic installation:

The first method consists in adding the payment module via the Drupal_Commerce Back Office.

In the administration panel of your store, go to the Extension menu and click Install a new module.

Then click the Choose File button and load the payment module.

Manual installation:

The second method consists in copying the module via FTP. To do this, copy the lyra commerce folder into the /modules folder if your website.