To work, these tools often require you to disable Windows Defender or other antivirus software, which leaves your system completely exposed during and after installation. System Instability:

Windows 8.1, released in 2013, is an operating system that requires activation to access all its features. KMSPico, a software tool, claims to activate Windows 8.1 and other Microsoft products.

KMSPico is a tool known for bypassing or cracking the activation process of various Windows operating systems, including Windows 8.1. It emulates a Key Management Service (KMS) server, allowing users to activate Windows as if they were using a legitimate KMS host.

Since KMSpico is not an official tool, many sites bundle the download with hidden Trojans, miners, or ransomware

Many sites claiming to offer "official" or "final patched" versions actually distribute Trojan horses ransomware

Unofficial activators are often distributed through "shady" websites that bundle the tool with dangerous software.