Technical Requirements:

For PCs:
Windows XP (service pack 3), Vista, 7, 8
Windows XP requires the use of the Chrome or Fire Fox browser
1 GB RAM
Pentium 233 MHz processor
For Macs:
OS X 10.6+
1 GB RAM
1 GHz processor
Web Browsers:
Internet Explorer 9+,
Safari v5+,
Firefox v23+;
Chrome v29+;
Plugins:
Adobe Flash Plugin (version 11.7+) Required on PCs and Macs
Minimum Screen Resolution: 1024 x 768
Headphones/earphones: required
Internet Connection: 
Approximately 10–20 Kbps available per student simultaneously