Students and educators can often receive significant discounts on official licenses.
For businesses, volume licensing can lower the cost per seat significantly.
An open-source engine often used by developers.
Quickly identify differences between two versions of a document.
Abbyy offers a 7-day free trial for individuals (and longer for enterprises) that allows you to test the full range of features.
If you cannot afford a license key right now, there are powerful free and open-source OCR tools available that are safe to use: