In order to access The Chicago Manual of Style for PerfectIt, you must have a subscription to CMOS Online and you must link your PerfectIt subscription to CMOS Online.
If you cannot access The Chicago Manual of Style for PerfectIt, please:
If you have linked your accounts and entered the license key, please open PerfectIt, then click the About button on the ribbon and take a screenshot of this window. Send this screenshot and a description of the issue to [email protected].