Run TheSky Professional on macOS, Linux, and Windows, on up to six computers per operating system.

Enjoy the freedom of using TheSky™ on multiple operating systems, while maintaining its familiar look, feel, and functionality.  Supported operating systems include macOS, Windows, and Linux (including x86_64, arm64, and arm32 distributions). For the power hungry, the Multi-OS+ option licenses you to install TheSky™ on up to six different computers per operating system. If you’re an academic institution and need a more extensive license, please email us about educational licenses.


Optional $100.00 each following year for the subscription benefits

Details how to upgrade to TheSky Imaging from all other editions are here.

TheSky Professional has integrated telescope mount control and can operate these supported telescope mounts out of the box.

Click on the links below for details about additional equipment supported by the Cameras+ and Domes modules.

Note that TheSky Imaging bundle includes the Cameras+ module.

TheSky Professional edition offers optional software and database modules that can be used to extend its functionality.

The following optional modules are available on the Software Bisque Store:

Visit TheSky Change Log page for a list of all the improvements, changes and fixes in each release.

If your software subscription is active, download the latest TheSky Professional update by logging in and visiting My account > My Downloads, then downloading and running the update installer.


TheSky Multi-OS+ Module

When you purchase a license for any one of the following products:

  • TheSky Professional (any OS) 
  • TheSky Imaging bundle (any OS)
  • Universal bundle

The Multi-OS+ module provides downloadable access to TheSky Professional and permits installation of TheSky and any optional modules you have purchased, on up to six (6) computers per operating system.

Important Pre-Purchase Information

  • A current subscription to TheSky Professional or TheSky Imaging  (any OS) or TheSky Fusion is required to have download access to the latest macOS, Windows, and Linux installers.
  • The Multi-OS+ module license is for private, personal, single-user, non-commercial, non-military and non-educational use only. Site licenses for educational institutions, defense contractors and other applications are sold separately. Please contact Software Bisque request more information.
  • The Multi-OS+ module is included as part of the Universal bundle.
  • The Multi-OS+ module offers an optional annual software subscription.  An active subscription gives download access the latest installers and updates by clicking My account, My Subscriptions.


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