: If a window asks for a password, the creator of the file encrypted it. You must obtain the password from the source where you downloaded the file.
: 7z l SSHJ_ZK.7z (useful for checking what is inside before extracting). Extract with full paths : 7z x SSHJ_ZK.7z .
If you prefer using the terminal (Linux/macOS/Windows PowerShell), use the following commands:
: This usually means the download was interrupted and the file is corrupted. Try downloading SSHJ_ZK.7z again. Frequently Asked Questions (FAQ) - 7-Zip