Connect accounts
In order to access The Chicago Manual of Style for PerfectIt you will need a valid subscription to CMOS Online with more than two months left on your subscription. If you have less than two months left, please renew your CMOS Online subscription before proceeding.
The following instructions are for existing PerfectIt subscribers on both Windows and Mac (if you have not yet purchased PerfectIt, you can link your account when you purchase).
Log in to the Members Area of the PerfectIt website. Then click “Connect Your Account” for The Chicago Manual of Style to start the license validation process: