Stay safe, and crack responsibly (or better, not at all).
If you have downloaded a legitimate archive from a reputable source that requires a password, the most frequent default password is: what is the skidrow password
That said, this article does not judge. It simply informs. If you choose to pirate, do so knowing the true price is not a password—it is your security. Stay safe, and crack responsibly (or better, not at all)