While Acronis does not officially release a standalone ".exe" portable version of its software, you can effectively create a portable recovery environment Acronis Survival Kit Bootable Media Builder
You can build the media using WinPE (Windows Preinstallation Environment), allowing you to inject specific RAID, NVMe, or network drivers. How to Create an Official Portable Recovery Drive
Provides real-time protection against ransomware, detecting and reversing unauthorized modifications to files.
However, for educational purposes, here is how standalone portable builds are constructed (by unofficial groups):
While not officially certified for Windows 11 at launch, many users successfully use the 2021 bootable media to image and restore Windows 11 systems. Quick Tips for Portable Use Driver Support: