No. The software became free to use without a key from version 5.30 onward.
Captured footage can be exported directly to MP4, AVI, or WMV formats, or uploaded straight to YouTube. flashback express 5 license key
Choose to record your entire screen, a specific window, or a custom selected region. or WMV formats
If FlashBack Express doesn't have the features you need and you don't want to buy the Pro version, consider these open-source alternatives: a specific window