Install Software Registration Keys

4 Steps to installing OPS-MATH for more than 1-day

  1. Install 1-day FREE Trial App. No Software Registration Key required.
  2. Order license  
  3. Email us your Computer ID assigned by App. What is a Computer ID?
  4. Install your Keys - instructions on this page.

Yes, I have administrator rights on my computer

  1. You will receive two keys by email attachment. One is for 64-bit Excel and the other is for 32-bit Excel. Sign on to your computer as the same administrator used to install the OPS-MATH App.
  2. Save both of the software registration key files (.rkey) to the “OPS-MATH” folder located under the “My Documents” folder as shown in the picture below. Only the key that matches the bit count of your Excel is required but you will already have the key installed if you later change your Excel.
  3. Launch the App from the Windows Start menu.
  4. To view your license expiration date
    1. Open the OPS-MATH application
    2. Using the Excel menu, click Add-Ins
    3. Click DoneEx
    4. Click Application OPSMATH...
    5. Click About
  5. Watch Training Videos - Start with "Getting Started."
  6. Problems? View the Troubleshooting page


No, I do not have administrator rights on my computer

  1. User - You will receive your key by email attachment. Forward the email to your computer administrator to complete the next two instructions.
  2. Computer Administrator - Sign on to the computer as the same administrator used to install the OPS-MATH App.
  3. Computer Administrator - Save both of the software registration key files (.rkey) to the “OPS-MATH” folder located under the “My Documents” folder as shown in the picture below. Only the key that matches the bit count of your Excel is required but you will already have the key installed if you later change your Excel.
  4. User - Launch the App from the Windows Start menu.
  5. To view your license expiration date
    1. Open the OPS-MATH application
    2. Using the Excel menu, click Add-Ins
    3. Click DoneEx
    4. Click Application OPSMATH...
    5. Click About
  6. User - (Optional). It is helpful to have a folder for storing any datasets created or sent by others. Create an “OPS-MATH” folder under your “My Documents” folder.
  7. Watch Training Videos - Start with "Getting Started."
  8. Problems? View the Troubleshooting page