Because it boots outside the installed operating system, you can modify, resize, or format the primary system drive ( C: ) without encountering "file in use" locks.
The wizard will ask what kind of bootable media you want to create. You have three main options: acronis disk director portable
You will be prompted to select what you want to include on the media. You should, at minimum, include Acronis Disk Director . If you also use Acronis True Image, you can combine both programs onto the same bootable media, creating an all-in-one rescue toolkit [1†L17-L19]. Because it boots outside the installed operating system,
Because this runs outside of Windows, there is no "C: drive in use" error. You should, at minimum, include Acronis Disk Director
To use Acronis Disk Director on any computer without installation, you must use the Bootable Media Builder included with the software: Open the Builder : In the main interface, go to Acronis Bootable Media Builder Select Media Type
If you want to know more about similar disk management tools, I can:
A quick online search will reveal many websites offering "Acronis Disk Director Portable" as a direct download. These are almost always cracked, modified, or repackaged versions of the software. While they might offer the convenience of a single executable file, they come with substantial and serious risks: