How to activate 

https://helpx.adobe.com/acrobat/desktop/get-started/access-the-app/install-acrobat-2020.html

Adobe Acrobat Standard 2020 is a perpetual (one-time purchase) PDF management software. Unlike Adobe's "DC" (Document Cloud) line which requires a monthly or annual subscription, Acrobat 2020 provides a locked-in set of PDF creation, editing, and security features without ongoing fees.

It is important to note that the Standard edition of Adobe Acrobat is exclusively built for Windows. Users needing Acrobat on macOS must purchase the Pro edition.

Key Features

• PDF Editing: Modify text and images directly within your PDF files without needing the original source document.

• Format Conversion: Export PDFs directly into editable Microsoft Word, Excel, or PowerPoint files while maintaining your fonts and formatting.

• Document Protection: Secure sensitive documents by applying passwords and restricting actions like printing, copying, or altering the file.

• Organized Home View: A centralized dashboard allows you to track, manage, and search all your PDFs in one location.

• DirectInk Integration: Use a digital pen to smoothly draw, write, and sign directly on PDFs in Windows 10 and 11.

• Color Customization: The Fill & Sign tool allows you to customize the color of your signatures and filled form text.

Supported Devices and System Configuration

Because this is the Standard version, it is supported only on PC (Windows).

Below are the system requirements you need to install and run Adobe Acrobat Standard 2020 smoothly: