Download Lasair

Install first. Lasair asks you to create your account when you activate. A free trial is included.

Lasair for Windows

Windows 11 (x64). One installer, about 4 MB. Administrator rights are needed once, for the display driver.

Download for Windows

The signed build is being finalized; the button serves it the moment it ships. Until then it brings you back here.

  1. Run the installer. It opens the activation page when it finishes.
  2. Create your account (or sign in) to get a 6-digit pairing code.
  3. Enter the code in the Lasair tray app. Done. The free trial starts right away.
Lasair for Mac

The macOS build is in development. Create your account now and it is ready when the Mac build ships.

Create your account
Verify your download

Every installer is signed and published with its SHA-256 digest. Compare before you run it:

certutil -hashfile Lasair.msi SHA256 (Windows)

shasum -a 256 Lasair.dmg (Mac)

The current version and digest are published with each release.