: Copy and paste (Ctrl+C, Ctrl+V) the code exactly into the input box to avoid errors.

: Press the "Authorize" button. If successful, the dialog will show the remaining validity period (typically one year for subscriptions). System Date

Learn about the 30-day free trial and registration benefits on the MITCalc Download & Register Have you already purchased a license

or its authorized dealers used to activate full versions or specific calculation modules. How to Obtain a Code : You can obtain a code by purchasing a one-year subscription time-unlimited license : Once payment is processed—often through partners like PayPro Global

: If you cannot enter the code directly in Excel, you can download the MITCalc_Authorization.xls auxiliary module to perform the activation.

: A common issue is attempting to authorize a "Full Version" with a code meant only for a "Standalone Calculation," or vice versa. Ensure you are using the correct module specified in your email. Auxiliary Tool

MITCalc Authorization Code is a unique alphanumeric string provided by

View the full list of calculation packages and current pricing at MITCalc's Official Pricelist

; an invoice will be sent, and the code will follow after payment confirmation. Authorization Process Access the Dialog

with your identification number (found in your original authorization email). Further Exploration

Find detailed installation steps and system requirements on the MITCalc Support Page

: Ensure your computer's system date is set correctly, as the software uses it to track license validity. Troubleshooting & Maintenance Invalid Code Errors

: The authorization dialog will automatically appear 30 days before your current license expires to remind you to renew. : For technical issues, contact support@mitcalc.com