> ## 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.

# Installation

> Step-by-step installation instructions for the ABBYY FineReader Engine 12 OCR SDK library on Linux and Windows for development and runtime use.

This section is designed to help you install ABBYY FineReader Engine 12 library in various situations and for different purposes. Currently, it is focused on Linux and Windows.

* [Installation - Linux](/fine-reader/engine/installation/installation-linux)
* [Installation - Windows](/fine-reader/engine/installation/installation-windows)

The [Distribution](/fine-reader/engine/distribution) section also contains more granular developer-centric installation instructions for the most common distribution scenarios.