ZEMAX is sold in two versions, SE and EE. As long as your key has current support, you can upgrade to EE for the difference in price between these two versions.

If you have an obsolete key type (a parallel port key or a purple USB key) then the key is simply returned to ZEMAX Development Corporation and is replaced with a new black USB key type. The new key will be an EE key.

If your key is a black USB key type, then it can be easily upgraded without being returned. Just follow this procedure once you have ordered the upgrade to EE:

Step 1: Download and install the current release of ZEMAX and the latest key driver. Both of these are available from our downloads page. Make sure you have a fully working ZEMAX-SE installation of the current release before proceding!

Step 2: Remove any other software protection keys except the ZEMAX key. Ensure the ZEMAX key is the ONLY key plugged into the computer. Close ZEMAX if it is running.

Step 3: Download this small zip file, and unzip its contents into a temporary folder:

SecureUpdate.zip (157 kB)

Step 4: Run SecureUpdateUtility.exe by double-clicking the file in the temporary folder. The following dialog will appear:



Press the button Generate Request Code. You will be prompted to save the request code file. Save this file with the file name set to your key serial number. In this graphic, we are upgrading key 27999, so we save the file as 27999.req:



Use your key's serial number! Save the file as {Your_Key_Serial_Number}.req

Then email this file to sales@zemax.com.

Step 5: We will email you a file called {Your_Key_Serial_Number}.upw and a new license code. Save the .upw file to your hard drive. Close ZEMAX if it is running. Run the SecureUpdateUtility.exe again and this time use the  browse button to find the .upw file we emailed you:



and then press the Activate Application button:



You will be rewarded with a cheery message:



Click OK to close the utility, and restart ZEMAX. It will request the new license code that was included in the email we sent you with the .upw file. Enter this code and ZEMAX-EE will start. Once the key has been successfully upgraded you can delete the temporary folder containing the SecureUpdate utility.