New Post: Installer for VSTO Word AddIn

var bootstrapper =
                new Bundle("My Product",
                    new PackageGroupRef("NetFx40Web"),
                    new MsiPackage(productMsi) { Id = "MyProductPackageId", InstallCondition= "DOINSTALL=True" });

        bootstrapper.Version = new Version("1.0.0.0");
        bootstrapper.UpgradeCode = new Guid("6f330b47-2577-43ad-9095-1861bb25889a");
        bootstrapper.Application = new ManagedBootstrapperApplication("%this%"); // you can also use System.Reflection.Assembly.GetExecutingAssembly().Location
        bootstrapper.StringVariablesDefinition += "DOINSTALL";
        bootstrapper.PreserveTempFiles = true;