Welcome to the QPC support pages. QPC originated as an emulator for the Sinclair QL home computer, but is now the leading platform to run SMSQ/E, the successor of the Sinclair QDOS operating system. For more information have a look at the What is QPC? page.

Current version numbers

QPC2 Executable 4.05
SMSQ/E 3.28
QPC1 Executable 1.52
SMSQ/E 2b93

More details can be found in the different version histories.