If you are specifically looking to run the 2015 version on older hardware, ensure your system meets these official requirements :
: Some cloud-based platforms offer free or low-cost access to powerful software tools for engineering and structural analysis. If you are specifically looking to run the
For versions further back (4 to 5 years), you can use the in your account to request specific downloads. System Requirements for 2015 Version If you are specifically looking to run the