If you use free clips, you must transform them. Don't just re-upload the raw clip. Do this instead:

If you are playing on a PC with an NVIDIA graphics card, you already have the industry standard for free recording installed. ShadowPlay (now part of the NVIDIA App) uses the GPU's encoder, meaning it records gameplay with almost zero impact on your frame rate (FPS).

Don't wait for a "lucky" find—capture your own glory with these free tools:

Built into most modern GPUs. Use the "Instant Replay" feature to save the last 30–60 seconds of gameplay with a single hotkey.

The industry standard for free professional color grading and cutting.