Help me pls

[ritaburt]

Hi I have openttd on Windows 10 for a short time and I wanted to install an ia but I got an error message which said that it could not install it I think it don't have the permissions to do it but i don't know how to give it or something else help me please

[jfs]

Install an "ia"? What do you mean?

[Eddi]

my magic crystal ball says "AI"