To launch bootable media builder, click Tools -> Acronis Bootable Media Builder in the main window of Acronis Disk Director 12.5 or select Acronis Bootable Media Builder on the Tools panel on the left:
Click Next on the welcome screen.
On the next step you need to select whether to create Linux-based media or WinPE-based media. Further steps depend on which option you choose:
If you have Acronis True Image 2019, you can create a multi-product Linux-based bootable media with Acronis Disk Director 12.5 if they are installed on the same Windows machine. Use the media builder provided with Acronis Disk Director to create this media.