These downloads are often Trojans that appear to be one thing (like a game or utility) but secretly install the logger alongside it.
The legality of downloading such a tool depends entirely on .
The logs are typically sent to a remote server controlled by the attacker. Legitimate vs. Malicious Intent
To defend against unauthorized keyloggers, security experts like those at Microsoft Security and Malwarebytes recommend:
Keyloggers operate silently in the background to capture sensitive information before it is ever encrypted by a website or app.
A "Download Keystrokes here" prompt is almost certainly a reference to —a high-risk category of surveillance software that records every button pressed on a keyboard.
They record usernames and passwords for banks, emails, and social media.
Beyond typing, modern versions can take periodic screenshots , record your clipboard (copy/paste history), and even access your webcam or microphone.