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If you have access to the software through a legitimate license or OEM bundle, you can create the bootable media directly within the application: Open Acronis True Image : Navigate to the Backup and Recovery Select Rescue Media Builder : Choose the option to create bootable media. Choose ISO Image
Acronis True Image 2013 is a powerful piece of computing history. While the bootable ISO is an invaluable tool for system recovery, always prioritize official downloads to ensure your data stays safe and your hardware remains functional. If you'd like, I can help you: Find for burning an ISO to a USB. Compare free modern alternatives to Acronis.
It was a paid retail product (approx. $49.99 at launch).