Installation tutorials Download, Install, and Activate FlexiPDF Please follow this tutorial to download, install, and activate FlexiPDF.1: Download FlexiPDF from the official link https://www.softmaker.net/down/flexipdf2022.exe and install the software.2: Open the program and click on the icon with the question mark (?) in the top right corner. Select “Purchase and Unlock” from the menu that appears.3: The following dialog box will open (The reference photo is in English, but the Spanish version is the same). 4: Select "Unlock" and the following dialog box will open. 5: Enter the license we sent to your email in the dialog field and click on Unlock.6: The system will validate the license and your program will be activated and ready to operate.