An Avast Account is not created automatically when you purchase a product or register for a free product. If you do not have an Avast Account, you can register for one and then connect it to your Avast product.
If you do not have an Avast Account or do not remember your login details, refer to the following articles:
Connect your Avast product to an existing Avast Account
- All available Avast software products
- All supported operating systems