I notice you're asking for a story based on a filename: bit.ly/windows10pro.txt.
Q: What is the purpose of bit.ly windows10pro.txt? A: The purpose of bit.ly windows10pro.txt is to provide a product key for Windows 10 Pro. bit.ly windows10pro.txt
Things to Keep in Mind
The file may contain hundreds of seemingly valid Windows 10 Pro keys. When a user tries them, they fail activation. Meanwhile, a script embedded in the same folder or the download webpage harvests the user’s real IP, hardware ID, and Microsoft account information. I notice you're asking for a story based on a filename: bit