Downloading the installation program for Heliocentric Planetary Aspects and Transits is different on Windows 10/11 than on Windows 7.In Windows 7 click on this download link and save the file to somewhere on your computer where you can find it again
In Windows 10/11, click on this download link. Then a window opens; click on Save File to save the installation program to the Downloads folder on your PC. Open File Explorer and change to the Downloads folder.
Then (in both Windows 7 and 10/11) double-click on the installation program (hpat300_setup.exe) to install the program itself.
If any problem email support@planetary-aspects.com.
The MD5 message digest for the installation program hpat300_setup.exe is
6A FC 81 C2 F7 3A 94 6A 1F 77 1B EC 43 E0 41 73
and its size is 3,423,104 bytes (3,342.88 KB).
