Once you purchase from the official site (do not trust third-party key sellers), activation is simple:

The annotating tools in iTop are intuitive. It takes half the clicks of Adobe Reader to highlight and add a note, making it superior for teachers and project managers.

: Completely free, no limits, and includes almost every "Pro" feature imaginable (merge, split, compress, OCR).

Upgrading to removes the strict limitations of the free version, such as the 10MB file size limit and the 2-file-per-day conversion cap . The Pro key unlocks advanced professional tools like OCR for scanned documents, batch processing for multiple files, and the ability to remove or edit watermarks . Key Benefits of iTop PDF Pro

: Seamlessly turns reports from iTop PDF into Word, Excel, or PPT formats.

💡 If you are looking for the official software or pricing, you can check the iTop PDF Official Site or the Microsoft Store listing .