Because recording computer window environment is also the functional category of screen video software, recording computer window environment video is the intersection of video software and screen video software, and the union of video software and screen video software is the definition of complete video software. To sum up, the final definition of video recording software is software that records video from computer hardware terminals and computer windows. Common recording methods include: capturing hardware videos such as cameras, video cameras, digital cameras, TV cards and DVR, recording game videos and QQ videos, and recording movies in computer windows.