It increased the limit from a tiny 32 processes to a theoretical 32,768 processes .
The emulator needs an OS image. If you don’t have a pre-built NK.bin: microsoft windows ce 6.0 device emulator download
For hobbyists, the safest route is to use the official 180-day trial from the Internet Archive (provided the files are bit-for-bit copies of Microsoft originals). It increased the limit from a tiny 32