The 4.04 version of PICAXE VSM is provided as a free download on our website. PICAXE VSM relates to Education Tools. The most popular versions among PICAXE VSM users are 4.0 and 1.0. The program's installer files are generally known as ISIS.EXE or UDSCHED.EXE etc. This PC software works fine with 32-bit versions of Windows XP/Vista/7/8/10/11. This software is a product of Revolution Education Ltd.
From the developer:
PICAXE Virtual System Modelling (VSM) is a software circuit simulator that combines a ‘virtual’ PICAXE chip with animated components.
You may want to check out more software, such as Blockly For PICAXE, VSM Studio or eVSM, which might be similar to PICAXE VSM.