--- pkg/tui/models_update.go
+++ pkg/tui/models_update.go
@@ -225,6 +225,26 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		} else if m.state == StateRestoreConfig {
 			m.setupConfigOptionsList()
 			m.state = StateConfigOptions
 			return m, nil
+		} else if m.state == StateFileAssociations && !m.installing {
+			outputChan := make(chan string, 100)
+			m.installOutput = []string{}
+			m.state = StateInstalling
+			m.currentCommand = "Configuring File Associations"
+			return m, func() tea.Msg {
+				go func() {
+					cr := installer.NewCommandRunner(outputChan, nil)
+					var err error
+					if m.platformInfo != nil && m.platformInfo.OSType == "windows" && m.installer != nil {
+						err = cr.RunFileAssociationsSetup()
+					} else {
+						cr.outputChan <- "File associations only available on Windows"
+						err = fmt.Errorf("not supported on this platform")
+					}
+					installDone <- err
+					close(outputChan)
+				}()
+				return saveChannelsMsg{outputChan: outputChan, installDone: installDone}
+			}
 		} else if m.state == StateSuccess {