AcruSky Planetarium 2.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The software relates to Education Tools. This program is an intellectual property of Alexander Krutov. We recommend checking the downloaded files with any free antivirus. The most popular versions among the program users are 2.1 and 2.0. The most frequent installer filename for the program is: AcruSky.exe.
From the developer:
AcruSky Planetarium is a planetarium program for Windows showing realistic starry sky for selected date and time.
The program has a wide range of features which allow to gather comprehensive and accurate information about astronomical phenomena and celestial objects.
You may want to check out more software, such as Stellarium, StarCalc or Aciqra, which might be similar to AcruSky Planetarium.