If you save the zip file you need to do the following: 1. extract the VM bundle 2. install and configure the VM (this is automated but can take up to several

If you save the zip file you need to do the following: 1. extract the VM bundle 2. install and configure the VM (this is automated but can take up to several minutes) 3. boot up the VM By using a snapshot you skip steps 1 and 2 and resetting a snapshot is pretty much instant, so you're only left with step 3.