Do you want to know when your Windows 8 Consumer Preview expires ?
Here’s a simple trick to find it .
1. Press Windows Key + R to open the command prompt .
2. Type winver and press enter key.
3. This will display a window that shows the information of your Windows 8 installation along with the expiry date of the evaluation copy.
Here’s you will find 16th January , 2013 as the expiry date of your copy of Windows 8 Consumer Preview .