> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# About ABBYY FineReader Engine 12 Activation

> How to activate ABBYY FineReader Engine 12 on macOS, Linux, and Windows: activation depends on your license type and operating system.

ABBYY FineReader Engine 12 activation depends on the type of license and your operating system:

* [Activation for macOS](/fine-reader/engine/licensing/activation/activation-for-macos)
* [Activation for Linux and Windows](/fine-reader/engine/licensing/activation/activation-for-linux-and-windows)