To install Altair Simulation products, use the Simulation Products Installer (formerly known as the HyperWorks Master Installer).
To get this file, named hwnnnn.n_platform.ext (e.g. hw2021.1_win64.exe for Altair Simulation 2021.1 on Windows),
For more information on how to install Altair Simulation suite, please refer to the Altair Simulation Products Install Guide, also available from the Altair Marketplace.