We are pleased to announce that the Isaac Sim 2021.1 is now available at Isaac Sim page on Devzone . Many new features have been added, the main ones are multi camera, Onshape importer, ROS2 bridge, force sensor, ultrasonic sensor, improved UI and many more.
For local installation, you can directly go to Omniverse page, download the launcher, run the launcher, and install Isaac Sim.
Be sure to visit the Isaac Sim Forms for Omniverse here: Omniverse Isaac Sim - NVIDIA Developer Forums