Helps protect against keyloggers (malware that records physical keystrokes) when entering sensitive data like bank passwords.
If you need more customization—such as different colors, transparency, or a more "finger-friendly" design—these free options are highly rated for Windows 7:
A free on-screen keyboard designed specifically for people with mobility impairments, featuring extreme customization for different layouts. 3. Why Use a Virtual Keyboard on Windows 7?