Yes. You can use DE Environment and AE Alexander Elert products in your commercial projects.
For more details and limitations please read the Licensing.
Once assets are purchased either through the package manager within unity or directly from the unity asset store, you get lifetime access to them.
No, once a product is purchased you’ll be able to enjoy future updates completely free of charge.
If you have any concerns about the specific characteristics of our products, we recommend you visit our documentation section where you will find extensive and detailed information on each aspect.Read Documentation
If you believe you’ve found a bug, we suggest you make sure it’s not been previously resolved in our forum. Should you not find what you’re looking for, we encourage you to open a new topic in the forum, explaining the bug as detailed as possible, so we can review the issue and provide you with a solution as soon as possible.