PDF Reader - Viewer & Editor is free to download, allowing everyone to access its basic functionalities without any upfront cost. It's an excellent tool for reading and viewing PDFs right out of the box, which makes it a handy solution for many users who require simple interactions with their PDF files.

However, there might be in-app purchases and advertisements present within the app. Advanced features, such as editing tools or premium content, may require a one-time purchase or subscription. Additionally, users should be aware that ads could appear periodically as they navigate through the app. Keeping in mind these possible add-ons will help you make the most out of the PDF Reader - Viewer & Editor.

Installation on iOS Devices: To install PDF Reader - Viewer & Editor on your iOS device, make sure your device is running iOS version 11.0 or later. Open the App Store, search for "PDF Reader - Viewer & Editor by Dktech app publishing," and tap on the download icon. Once downloaded, tapping “Open” will launch the app. During installation, the application may request permission to access storage for saving or opening PDF files. Checking the permissions beforehand ensures a smooth experience.

Installation on Android Devices: For Android devices, ensure you're using Android 5.0 or later. Visit the Google Play Store and search for "PDF Reader - Viewer & Editor by Dktech app publishing." Click the "Install" button to begin downloading the app. Once installed, open the app and proceed with granting necessary permissions like file storage access, which is required to edit and view PDF files efficiently. Verify any settings to customize your usage as this app may have additional settings for optimal usage.

Step 1: Open the PDF Reader - Viewer & Editor app once the installation is complete. You will be greeted by a clean and straightforward interface. Locate the main menu at the bottom of the screen with options for various features like viewing and editing PDFs.

Step 2: For your first use, tap on the “Open PDF” button. This action will allow you to browse through your device's storage to locate your PDF files. Select a document to begin engaging with the features of the app.

Step 3: Familiarize yourself with the viewing options. You can zoom in or out by pinching the screen, and swipe through pages effortlessly. The upper menu bar will offer other viewing enhancements like night mode for relaxed reading.

Step 4: To explore editing options, click on the “Edit” feature located in the main menu. This function allows you to annotate, highlight, or even add text to your PDF documents. Edited files can be saved back to your device or cloud storage.

Step 5: Check out the cloud integration feature if you plan to save or share documents online. Select the "Cloud" icon to connect with services like Google Drive or Dropbox for easy file management.

Tip 1: To enhance legibility while reading, consider using the night mode feature. Not only is it easier on the eyes during low-light situations, but it also reduces battery consumption, especially on devices with OLED screens.

Tip 2: When working with multiple PDF files, utilize the "Recent files" section to quickly retrieve documents you've accessed. This feature saves time and effort in browsing through your entire storage.

Tip 3: For advanced editing, spend some time exploring the annotation tools. Features like sticky notes and highlighters can dramatically increase productivity, particularly when reviewing large documents or preparing materials for presentations. Customize these tools for a personalized experience.