Download Begate Disk Monitor
Choose your computer. The free version works without a license key.
Installing on Windows
If a blue "Windows protected your PC" message appears, click More info → Run anyway.
Installing on Mac
On first open, go to System Settings → Privacy & Security and click Open Anyway.
Activate the full version
Open the app, click Activate and enter the license key from your purchase email.
No key yet? The free version works without one.