BestCrypt Volume Encryption can install its recovery plugin into WinRE pre-boot recovery environment. Then, if the computer runs into the recovery mode at boot time, it is possible to run BestCrypt Volume Encryption software and, for example, decrypt the System disk volume.
The software installs the WinRE Plugin during installation time. Read the article Installing BestCrypt Volume Encryption for more detail about the installation.
When the WinRE Plugin is installed and computer runs into the pre-boot recovery mode, the window like the following appears:
If you select the BestCrypt Volume Encryption recovery option, you will get a regular software user interface appearing. You can run practically any command in the standard software user interface, for example, mount encrypted volume or decrypt it. If you encounter problems booting the computer, it can be helpful to decrypt the Boot volume with Windows system files and then move forward with recovering Windows.
Additional information is available in the Help file: https://www.jetico.com/file-downloads/web_help/bcve5/RecoveryPluginforWindowsRE.html