USMT 4 MigRecover 1.0.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free program is an intellectual property of Simon Jarvis. The software relates to Development Tools. The most popular version among the program users is 1.0. We recommend checking the downloaded files with any free antivirus.
From the developer:
MigRecover utility is a Microsoft command line tool meant for accessing USMT3 and USMT4 compressed umst migration files (.MIG files).
There are 2 versions of MigRecover which are specifically designed for extracting the files embedded within the compressed image store created during the USMT backup/scanstate process.
You may want to check out more software, such as USMT 3 MigRecover, USMT XML Builder or Windows Automated Installation Kit, which might be related to USMT 4 MigRecover.