BootCamp - Right-Click on Windows 7 running on MacBook Air

This assumes that you have the latest Boot Camp drivers installed.

To right-click using a trackpad:

Place two fingers on the trackpad and click the trackpad button.

Source: http://forums.macrumors.com/showthread.php?t=281491

1. Go to "Control Panel".
2. Click on the phrase "System and Security".
3. Then "Boot Camp".
4. Click on the "Trackpad" tab.
5. In the "One Finger" area, enable the checkbox next to "Secondary Click".
6. Click OK.

This will let you simulate a right click by depressing the bottom-right corner of the trackpad.