Hi Munachi, the older versions are only available for users with a purchased license. If you do not have a purchased license, please contact your nearest re-seller/distributor for any query regarding the purchase process. They would support you throughout the purchase process.
To contact your nearest re-seller/distributor, please click here: https://software.intel.com/content/www/us/en/develop/tools/resellers.html, and scroll down to select your country from the drop down menu. You will be presented with their contact information.
Munachi, unfortunately we were unable to hear back from you.
If you have any further queries, please post a new question as this thread will no longer be monitored by Intel®.