The keyword points to a specific set of unofficial scripts hosted on GitHub, often shared as .txt files in a repository's master branch. These scripts are used to bypass Windows activation by using Command Prompt or PowerShell scripts.
“I want to find a free, working Windows activator that is currently popular (hot) on GitHub, specifically a text file (activation.txt) stored in the main branch of a repository called windowsactivator.” windowsactivator windows activationtxt at master github hot
If you have already downloaded a script and are curious about what it does, do run it. Instead, inspect the code: do run it. Instead