Download the latest 2023 Altair Astro Camera ASCOM Driver

Please note: After unzipping the file, you will need to change the installer file extension!

Replace ".ms_" at the end of the file name with ".msi" before you click the installer.

For example:
Altair ASCOM Driver-
changes to
Altair ASCOM Driver-

This is a simple precaution to stop some AV software or Windows flagging a false positive and blocking the download.

If Windows displays this window, click "More info" and then "Run anyway":

ASCOM Driver Step 1

Click "More info"

ASCOM Driver Install step 2

Click "Run anyway"