Feature overview

Follow write activity by process and file, and measure the cost of fragmentation on the drive.

Feature	Learn how to use it
Write activity and the cluster map	Read the guide
Processes and files	Read the guide
Run a fragmentation benchmark	Read the guide
Benchmark results	Read the guide

Start with First steps for a complete first session. See System requirements for access and operating requirements.

The chapters describe the controls available in the current application. A feature may be unavailable when its required Windows service, device information or permissions are missing.