Open and run:
You might find a popular repo with 5,000 stars. It looks legit. But open-source projects get "forked" (copied) all the time. A hacker can copy a legitimate activator code, inject a virus into it, and re-upload it with a slightly different name. If you aren't reading the code line-by-line (and most users aren't), you won't spot the difference. github windows activation cmd link