Download Backstop

Install Backstop on your child's laptop. Signed and notarized on macOS; signed with an EV certificate on Windows.

All installers

• Windows (Intel / AMD, 64-bit)
• Windows (ARM64)
• macOS (Universal — Intel and Apple Silicon)

What you get

• Endpoint agent that takes screenshots and evaluates them with your BYOK LLM.
• A tray/menu-bar indicator (transparent mode) so your child knows Backstop is running.
• Blocklist enforcement via hosts file, Chrome / Edge group policies, and (v1.1) a browser extension.
• Auto-update from a signed manifest anchored to a key we cannot export.

System requirements

• Windows 10 (build 19041+) or Windows 11.
• macOS 13 Ventura or later.
• Admin credentials on the target device for install and permission grants.