Compatibility
- macOS 13 or later
- Windows PC running Mouse Without Borders (PowerToys or standalone)
- Both devices on the same network
If your Windows machine is managed by your employer, PowerToys is often allowed even when other apps are blocked.
Required Permissions
- Accessibility - needed to control the Mac from Windows.
- Input Monitoring - needed to listen for local input when controlling Windows from your Mac.
1MK will prompt you and open System Settings directly when needed.
Known Quirks
- Some high-DPI or unusual multi-monitor layouts may require adjusting the Windows screen size in Settings.
- Corporate VPNs or strict firewalls can block discovery or connection; try a direct local network first.
- USB KVMs and very high polling rate mice may feel different when switching across machines.
Troubleshooting
- Verify the Windows IP address and MWB security key are correct.
- Make sure Mouse Without Borders is running on Windows and connected to your Mac.
- Restart both machines and try again.
- Use "Export Diagnostics" in Settings and send the file to support.
Download & Install
- Download the latest build from 1mk.app/download.
- Drag 1MK into Applications, then open it.
- If macOS warns, right-click 1MK and choose Open.
Trial & Refunds
- 14-day trial starts on your first successful connection.
- After the trial, a license is required to keep using 1MK.
- If 1MK doesn't work for your setup, email us within 14 days for a full refund.