Bitly links do not last forever. If the original creator deleted their account, or if Bitly removed the link for violating terms of service (sharing stolen product keys is a violation), the redirect will no longer function. Worse, hijackers often purchase expired Bitly links and redirect them to malicious sites.
For your safety and security:
Was it a virus? A hack? An ARG (Alternate Reality Game)? Let’s break down the mystery. bit.ly windows7txt
The "bit.ly/windows7txt" URL provides a batch script that attempts to activate Windows 7 by connecting to an unauthorized KMS server, a process that violates license terms. While used to bypass activation, this method risks malware infection and system instability, with Microsoft recommending legitimate, product-key-based activation. For official Windows 7 activation guidance, visit Microsoft Support Bitly links do not last forever