You do not need to login to install the software.
Hit the Start Button, type Lenovo Vantage, and launch it when it populates.If you are having trouble with your microphone sounding muffled, try disabling this setting.
Acoustic Echo Cancellation prevents echo caused by the PC’s mics picking up the sound of the integrated speakers, but has been reported to suppress sound of other speech. Use these instructions to disable Acoustic Echo Cancellation on Lenovo laptops.