Plugins for PCs
Blackboard uses Java for uploading assignments among other things. Java allows applets (mini programs) to run in Blackboard and in Web browsers. Make sure that you have the most recent version.
Adobe Reader is a free plug-in for reading, but not editing, PDF files.
Free Video Players
Download Flash to play SWF files.
Download Windows Media to play WMV files.
Download QuickTime to play MOV files.