Disk Expert provides a free trial, which allows you to scan any folder or disk up to five times.
You can get the full version of Disk Expert on the App Store, or if you have already downloaded the trial, buy the app directly from the app. For this, click the Buy Now button on its window. Also, you can use this link to open the purchase window.
Click the Order Now button to complete the purchase.
In a minute, you will receive an email containing the license key. To activate the license, click Disk Expert in the menu bar and select License info…
Then copy and paste your activation key in the appropriate field. Click the Activate button.
Now you can use Disk Expert every time you need to scan your storage, with no limit to the number of times and storage volumes.
If for some reason you lose your key, contact our support team and provide the email address you used to make the purchase. We will send you your activation key.