Yes, you can. Our online learning training management system supports it. No need to download plug-ins, you can use the web page to start live courses, realizing interactive teaching with 1v1 to 1v12 to use a microphone to interact; as well as meeting the teaching needs of whiteboard teaching, and in-class tests.
First, please check your network, it may be your network is not good enough to upload the courseware. Second, your file size of your documents may be more than 20M, please download the batch upload video/audio tool. If it still doesn’t work, please contact us.