Although the website is still in operation, most vMac development slowed to a halt in 1999, and no official releases have been made since.
The precompiled versions available for download at Mini vMac's SourceForge project emulates a Macintosh Plus with 4 MiB of RAM.
Macintosh system software is available from Apple's Support Downloads Website (see External links below).
As mentioned, Mini vMac also requires a specific ROM image for the computer emulation desired.
A software application for these 68000 Macs may be downloaded from the Mini vMac website for retrieval of a system's ROM image, along with a complete tutorial for locating an old Mac, retrieving the ROM and working with disk images.