From Within the Web Performance Load Tester™ Program:
1. Window Menu->Preferences
2. Expand Web Performance [+]
3. Click on Licenses
4. Look in the License Key summary to find the "Version code:"
In this case the Version code is 3.5.999, which means the license can not run the Web Performance 3.6 software release. If you would like to upgrade to version 3.6 or later, then you'd first need to install a updated license as shown in Step 2. If your currently installed license will cover version the new version then progress to Step 3, below.
Once you've obtained a license key that is valid for release 3.6 or higher, the next step is to install it.
From Within the Web Performance Load Tester™ Program:
1. Open the dialog shown in Step 1.
2. Click on the import button and locate the license. Follow these instructions if you can't locate your license.
3. Select the license that was just imported, "Load Tester commercial license" in the example below.
4. With the license selected click on the Activate button.
Once the correct license is installed you can proceed to install the new version of the software. Note that these instructions are only for customers who have a previous 3.5 release installed. All others must download a new installer to get the latest version.
From Within the Web Performance Load Tester™ Program:
1. Open the preferences Window->Preferences and set the "Valid updates" setting to be "compatible".
2. Open the Find and Install dialog.
3. Select the "Search for updates" option and click Finish.
4. Make sure the Web Performance Update Site is checked and click Next.
5. Accept the license agreement and click Next.
6. Note the installation location and click Finish.
7. Click "Install All"
8. Restart the program.