How to Package and Deploy Windows Installer 3.0

[John]

I have made setup project (VS 2005) that includes setup of my app and
Framework 2.0

How can I check if there is installed Windows Installer 3.1 and if not to
install it?
I know that I have to add launch condition, but don't know what to type in
properties.

Thanks

[joey.powell]

I have been doing this without any launch conditions. From within your
Setup and Deployment project, on the menu bar click Project |
Properties. A new window will appear. Click the button labeled
Prerequisites. Just check the box for whatever you need to include in
the build. Then in your output folder (when you build) you will get a
setup.exe file, your app's .msi file, and whatever prerequisites you
selected. You can also select the radio button for "Download
prerequisites from the component vendor's web site" if you would prefer
the install to pull these down from the Internet (give you a smaller
size for your install package). After this the setup.exe will take care
of installing the prerequisites if they are not already present on the
target system. If they are then it will just skip them...no launch
condition needed. It's that simple.

HTH,
JP