How can I install two products with one Inno Setup script?

Question

I have two products: a Client and an Admin product. There may be a case when the user wants to install one, the other, or both. How do I do this in Inno Setup?

I am

Answer 1

In the [Types] section, configure one custom type (the iscustom flag).

Then in the Components section, add two components for the custom installation.

[Types]
Name: "custom"; Description: "Custom installation"; Flags: iscustom

[Components]
Name: client; Description: "Client product"; Types: custom
Name: admin; Description: "Admin product"; Types: custom

[Files]
Source: "client.exe"; DestDir: "{app}"; Components: client
Source: "admin.exe"; DestDir: "{app}"; Components: admin

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An alternative to the iscustom setup type is using the AlwaysShowComponentsList directive.