It contacts activation servers to register the machine.
: Many sites hosting "activators" bundle them with malicious software. Users have reported system failures and black screens after using unverified versions of Ratiborus tools. W10 Digital Activation Program V1.3.7.0 - 2 MB UPD
Based on the naming convention (specifically "W10," "Digital Activation," and the version number format), this file is a (often referred to as a "KMS Activator" or "HWID Spoofer"). These tools are typically found on software forums and file-sharing sites. The "2 MB UPD" likely refers to an update patch or the file size of the portable executable. It contacts activation servers to register the machine