For the Hard Disk Sentinel Pro Portable version, activation is tied to the specific USB drive rather than the computer, allowing you to use it on multiple systems. Offline Activation via Key File
Hard Disk Sentinel typically requires two levels of verification for full activation: hard disk sentinel activation key file verified
If your computer lacks an internet connection, you can use the e-mail activation method: For the Hard Disk Sentinel Pro Portable version,
Your chosen username is displayed in the "About" box as the registered user. hard disk sentinel activation key file verified