Consolut used to provide free access earlier, but they discontinued due to licensing issues. The same is mentioned in the youtube video above...
https://www.consolut.com/en/s/sap-ides-access/discover-ides.html
SAP is also offering live access. Not sure if having a SAP Learning Hub access is a prerequisite for access.
https://training.sap.com/shop/hub-de-de
*** IDEALLY I WOULD PREFER THIS OPTION AS IT KEEPS MY COSTS IN CHECK***
There are a free downloadable trials, its not an easy experience to set up a system on your own and get the server working.
http://sdnweb.sdn.sap.com/sapbackoffice/public/SAPStoreSolutions.aspx
There are also trial systems available on SAP Cloud Appliance Library (CAL), even though SAP might not charge for License for Developer versions but Amazon will charge you for hosting your system.
