Versions 2.5.1 and 2.5.2 introduced support for offline activation, meaning an active internet connection is not required to complete the process.
: The tool requires elevated permissions to modify system licensing services. Select Module Microsoft Toolkit 2.5.2
Because these tools are distributed through unofficial channels (torrents or third-party forums), they are frequent targets for malware injection. Many versions of the "toolkit" found online have been modified to include trojans or ransomware. System Stability: Versions 2