In order for SP1 and SP2 to coexist

• installed in different directories
  
• cannot be registered
  
• have to be on an application path
  

>I will have to look into the InstallSheild; it has been years since I created the setup.
>But how does the location of the installation makes it possible or not possible to have both SP1 and SP2 coexist?
>
>>It depends where you install them.
>>
>>>I think if I understand correctly, I don't have to have users un-install sp1 but simply install sp2. If this is the case, that both sp 1 and 2 can coexist, my task is easier. Thank you.
>>>