The tutorial is an excerpt of Trevor Martin's book The Designer's Guide to the Cortex-M Processor Family. It is accompanied by a Pack file that contains the example projects that are discussed in the tutorial.

The tutorial is available as a Software Pack from https://www.keil.com/dd2/pack. On the page, browse to Hitex and select the Pack described as "An Introduction to using CMSIS RTOS for Cortex-M Microcontrollers". Download and install the Pack which contains all example projects referenced in the CMSIS_RTOS_Tutorial.pdf.