Thanks for your reply. The task has already been built by using Psychopy3-python3, while this task couldn’t transfer to the PC system successfully. I tried PsychoPy2 as well, but our task couldn’t work at all.
As the post I attached below, the ffmpeg download does not work and is no longer needed because ffmpeg is included as a part of the installation:
Plus, we don’t have an option to have an internet connection.
Do you have any suggestions about that? Thanks a lot!