As quickstrike12 and Bmac mentioned above, you can check out your configuration by going to Software and then "additional vehicle information".
Zanary's post above indicates that the official Tesla line is that they are not scheduling HW 2.0 vehicles until later this month, and then only for those who purchased Full Self Driving. However, there is one person in Hawaii (
Honolulu SC just completed my MCU2 Upgrade) who somehow managed to get it done on his HW 2.0 Model S, but he also had purchased FSD and had the HW upgrade to 3.0 done at the same time as this MCU upgrade.