You can get access to macOS Big Sur, and Monterey online virtual simulators with the SimuOS simulator collection.SimuOS offers a private collection of macOS versions created specially for you where you can access your private collection anytime just with your email address.
Get Access to Simulator Collection
After purchasing macOS Simulator private collection, you’ll receive an email with instructions to access your private macOS simulator collection. You just have to visit this page, enter your registered email address and log in to any of the macOS simulators of your private collection.