: If your PC previously had a genuine digital license, it should reactivate automatically upon reinstalling Windows without a key. W10 Digital Activation Program v1.3.7 - Microsoft Q&A
These programs are often distributed as small, portable executables or scripts (frequently around 2 MB in size) that do not require formal installation.
Using this software introduces significant risks to a system's integrity and legal standing: Malware Exposure
Pirated activations can block official updates or cause the watermark to reappear unexpectedly. 4. Recommended Alternatives Instead of using unauthorized activators, you can: Activate Windows - Microsoft Support
Unfortunately, the official release notes or changelog for this specific update are not readily available. However, based on my research, it appears that this update might be related to improvements in the activation process, bug fixes, or enhanced security measures to prevent evasion techniques used by some individuals to bypass activation.