After having downloaded or cloned the aligner package, unpack it to any location on your machine. The only thing you need to do now is adding the aligner package root directory to the PYTHONPATH environment variable. You can do this by updating your maya.env file using the following:
For more information about setting environment variables please have a look at the official documentation.
Verify successful installation¶
When you have successfully installed the aligner package, you should have a new menu in your menu bar called Scripts. In here you will find a sub menu called aligner.