I'm using PyScripter for writing python programs and I can't figure out how to make it work with Python26 on my computer. When I installed ArcGIS, by default it installs Python26. I then installed PyScripter which found that installation and it worked fine. Later, I installed Python27, and subsequently reinstalled PyScripter.Now Pyscripter uses Python27 and I don't know how to change it.
I've looked at the settings under Tools -> PythonPath and they are as follows:
and also Tools -> Configure Tools
I assume I need to change the python path entries, but what do I change them to? My Python26 installation is found in C:\Program Files (x86)\ArcGIS\Desktop10.0\Bin.
If you go to the pyScripter folder in the start menu, it will have a version of pyScripter for Python 2.4 to 3.2. Just run the one corresponding to your Python version.
go to the pyscripter shortcut : right click then select Properties,
add the option to the target : --PYTHONXX
wherein XX the Python version.
ex : "C:\Program Files\PyScripter\PyScripter.exe" --PYTHON24
Copy/paste another shortcut and modify the option to another python version.
来源：https://stackoverflow.com/questions/6974354/changing-pyscripter-to-work-with-different-python-versions