Windows: run C:\Program Files\LibRaw\FastRawViewer\scripts\BackupSettings.cmd than transfer Documents/FRV-backup/*reg files to your new computer and launch these reg-scripts from Windows Explorer
Mac: transfer ~/Library/Preferences/com.libraw-llc.FastRawViewer.plist file to your new computer than re-run FRV activation (the plist-file contains activation data specific for computer)
It is described in our manual
It is described in our manual: https://www.fastrawviewer.com/usermanual15/program-settings (Section: Backing up the settings).
In short:
Windows: run C:\Program Files\LibRaw\FastRawViewer\scripts\BackupSettings.cmd than transfer Documents/FRV-backup/*reg files to your new computer and launch these reg-scripts from Windows Explorer
Mac: transfer ~/Library/Preferences/com.libraw-llc.FastRawViewer.plist file to your new computer than re-run FRV activation (the plist-file contains activation data specific for computer)
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Alex Tutubalin/FastRawViewer team