There are 2 download links available for Exploratory Desktop for Mac, for Apple M1 CPU and Intel CPU.
The main difference between those 2 is the R runtime and packages for performance. The Desktop for Apple M1 uses R runtime and packages optimized for Apple M1, and the Desktop for Intel uses R runtime and packages optimized for Intel.
If you are not sure which one your Mac uses, you can check out how to tell whet whether your Mac is using Apple M1 CPU or not.