Stellarium install instruction:

Download Zip from sidhariyal.com:

https://www.sidhariyal.com/wp-content/uploads/2025/02/siddhariyal.zip

Unzip folder:

Copy and paste the siddhariyal folder to:
C:\Program Files\Stellarium\Skyculture

Restart Stellarium (Close the app & reopen it)

Change settings and sidhariyal tamil will be updated.

Open Stellarium on desktop and select Sky and viewing options window.

Enjoy the updated SkyCulture!