Go to File > Preferences > Performance and enable "Automatically create proxies." This creates smaller versions of your files for editing, which speeds up the process without affecting the final quality.
If your playback is lagging, press Enter to render the timeline. The red bar above your clips will turn green, indicating smooth playback. Wondershare Filmora 9.5.0.33
Place the playhead (the vertical red line) where you want a cut and click the Scissors icon. Go to File > Preferences > Performance and
Improved rendering speeds and smoother playback for high-resolution 4K footage. Place the playhead (the vertical red line) where
Wondershare Filmora 9.5.0.33 was a specific update in the Filmora 9 lifecycle that introduced several performance enhancements and new creative tools. While Wondershare has since released much newer versions (like Filmora 13), version 9.5 remain popular for its stability on older hardware.
Intel HD Graphics 5000 or later; NVIDIA GeForce GTX 700 or later. Pro Tips for Smoother Editing