You can often get the 2022 version or newer for free or at a deep discount: Use the official trial to test all features. Bundles: Check sites like Humble Bundle for cheap licenses.
Turn off "Hardware Acceleration" in settings if crashing. Movavi Video Editor Plus 2022 v22.0.0 fix
Patched versions frequently crash during video export. You can often get the 2022 version or
If you are using the legitimate version and experiencing bugs, try these steps: Ensure your GPU drivers are current. Movavi Video Editor Plus 2022 v22.0.0 fix