---
title: First-time use
slug: hW2F-first-time-use
icon: 🆕
docTags: 
createdAt: 2025-05-21T18:40:09.212Z
---

## Running the app the first time

When you run the software for the first time, you will see a screen confirming the activation of your license. Otherwise, you will be signed in directly.

![License activated](https://api.archbee.com/api/optimize/GcoyfTasRYQ7atUdr_M98/s9ULMoenbkQHkF4wGOtkf_image.png)



When you launch <font color="#fd0000">**PDF Pro**</font> for the first time, you’ll be prompted to set it as the **default application** **for PDF files**. We recommend doing so for quicker and easier access to your PDFs in the future. For a full explanation for **Windows** and **Mac&#x20;**&#x6F;ptions, please see this link:&#x20;

[Your Default App](docId\:et2lokbnJlz0dzjvQ6BwD) - Making <font color="#fd0000">**PDF Pro**</font> the default for PDF file format.

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