Start here
Redline is a desktop editor for IT and AV system diagrams. Your drawing files stay on your computer.
Install a release
Install the Windows MSI or Linux archive from Downloads. Viewing and export need no sign-in; editing requires a subscription or eligible trial.
Try the example
Open the example without signing in, then export a PDF.
With editing activated, move a device to see its cables follow. Save a separate copy and export the revised drawing.
Prepare your account
To activate editing, sign in from the desktop welcome screen and select your individual subscription or company with an assigned seat.
Next steps
- Learn how accounts and billing work.
- Follow the offline licensing guide for a disconnected workstation.
- Get familiar with systems and sheets.
Need help? Visit Support. Include your platform and release version, but do not send authentication tokens or license keys.