Summary
The GetInstallInfo function returns a dictionary that contains information on the installation.
Syntax
GetInstallInfo ()
| Data Type | Explanation | 
| Dictionary | The function returns a dictionary containing the properties of the installation. | 
Code sample
Return installation information.
import arcpy
# Use the dictionary iteritems to iterate through 
#   the key/value pairs from GetInstallInfo
d = arcpy.GetInstallInfo()
for key, value in list(d.items()):
    # Print a formatted string of the install key and its value
    #
    print("{:<13} : {}".format(key, value))Return the product version.
import arcpy
print(arcpy.GetInstallInfo()['Version'])