The following tutorial covers the process first signing into Skype for Business for Windows using your CU Boulder Office 365 account.
*Note: If you cannot find Skype for Business, you may need to apply the most recent update to Office 2013. You can manually check for updates by opening your Control Panel, clicking Windows Updates, then installing available updates.
Open the Skype for Business application.
In the Password field, type your IdentiKey password. Check the Save my password box, if you wish.
Click the Sign In button.
A window will appear asking if you would like to save your sign in information. Choose Yes or No depending on your preference.
You will now be signed into Skype for Business.