...OPCRIT was published in 1994 and is restricted to major psychotic and affective diagnoses. OPCRIT will not run on versions of Windows beyond Windows XP.
OPCRIT + was published in 2009 and adds anxiety, substance misuse, personality and dementia diagnoses and redeveloped the database engine in mySQL. OPCRIT+ is verified to run on Windows 7 and is known to run on both Windows 10 and Windows 11, but you must use the version of MySQL included here.