This guide is divided into a number of sections:

Covers installing SEGGER Embedded Studio for ARM on your machine and verifying that it operates correctly, followed by a brief guide to the operation of the SEGGER Embedded Studio integrated development environment, debugger, and other software supplied in the product.
SEGGER Embedded Studio User Guide
Contains information on how to use the SEGGER Embedded Studio development environment to manage your projects, build, and debug your applications.
ARM target support
Contains a description of system files used for startup and debugging of ARM applications.