If you receive an error while activating the software, follow and verify the steps given below to fix the issue:
Check Installer and re-enter activation key.
Make sure you have downloaded the correct installer. Use the download link given in the email or visit the desired product page to free download the software and then activate it using the code provided on your email.
Uninstall all other versions of the software.
Uninstall any version of the software you may have installed earlier. Then re-install the desired version of the software and activate it.
Re-enter the correct activation key without blank spaces.
If copy and pasting the activation code does not work, try to enter it manually. Sometimes, while copying, you may copy the blank spaces, which can cause software activation failure.
Entering code manually overcomes this issue. Alternatively, you may copy the code from email to notepad and then remove empty space from the beginning and end of the code. Then copy and paste the code in the activation window of the software.
3. Getting Started