Upload from desktop

How can I upload my content from desktop in the Virtual Classroom?
Tue, 8 Nov, 2016 at 7:06 PM
Is there any limitation on the file size that I am uploading from desktop?
Tue, 8 Nov, 2016 at 7:07 PM
Can I also upload audio/video files from the desktop?
Fri, 4 Nov, 2016 at 2:17 PM