diff --git a/README.md b/README.md
index bdcf2e2..3cd4218 100644
--- a/README.md
+++ b/README.md
@@ -7,13 +7,15 @@ plugins!
 
 ## Features
 
-* Wine Support - Handles launching Wine for you.
-* Dalamud Support - You can use Dalamud plugins out of the box.
-* Multiple Profiles - Almost all of the settings can be set per-profile.
-* Encrypted Arguments - Game arguments are encrypted out of the box, so it's just as secure as other launchers.
-* Secure Password Storage - Login information is encrypted using your system keychain and is never stored plain-text.
-* Game Patching Support - Can patch the game without the need to boot into the official launcher.
-* Sapphire Login - Can login to 3rd party Sapphire servers.
+* Wine Support: Handles launching Wine for you.
+* Dalamud Support: You can use Dalamud plugins out of the box!
+* Multiple Profiles: Customizable per-profile settings for users that need multiple game installs.
+* Encrypted Arguments: Game arguments are encrypted out of the box, and is as secure as other launchers.
+* Secure Password Storage: Login information is encrypted using your system keychain and is never stored plain-text.
+* Game Patching Support: Can patch the game without the need to boot into the official launcher.
+* Alternative Server Support: Can log into Sapphire servers and use alternative domains. 
+
+**Note:** Steam-linked Square Enix accounts are not currently supported. You will have to use the official launcher or XIVLauncher.Core.
 
 ## Get It
 
diff --git a/launcher/ui/Setup/AddSquareEnix.qml b/launcher/ui/Setup/AddSquareEnix.qml
index 709e0d0..0ddbd5a 100644
--- a/launcher/ui/Setup/AddSquareEnix.qml
+++ b/launcher/ui/Setup/AddSquareEnix.qml
@@ -13,74 +13,86 @@ import zone.xiv.astra
 FormCard.FormCardPage {
     id: page
 
+    readonly property bool isValid: usernameField.text.length !== 0
     property var profile
 
     title: i18n("Add Square Enix Account")
 
-    readonly property bool isValid: usernameField.text.length !== 0
-
     FormCard.FormCard {
-        Layout.topMargin: Kirigami.Units.largeSpacing
         Layout.fillWidth: true
+        Layout.topMargin: Kirigami.Units.largeSpacing
 
         FormCard.FormTextDelegate {
             id: helpTextDelegate
+
             description: i18n("The password will be entered on the login page. A username will be associated with this account but can always be changed later.")
         }
-
         FormCard.FormDelegateSeparator {
             above: helpTextDelegate
             below: usernameField
         }
-
         FormCard.FormTextFieldDelegate {
             id: usernameField
+
             label: i18n("Username")
         }
-
         FormCard.FormDelegateSeparator {
             above: usernameField
             below: licenseField
         }
-
         FormCard.FormComboBoxDelegate {
             id: licenseField
-            text: i18n("License")
+
+            currentIndex: 0
             description: i18n("If the account holds multiple licenses, choose the preferred one.")
             model: ["Windows", "Steam", "macOS"]
-            currentIndex: 0
-        }
+            text: i18n("License")
 
+            onCurrentIndexChanged: {
+                if (currentIndex === 1) {
+                    currentIndex = 0;
+                    errorDialog.open();
+                }
+            }
+        }
         FormCard.FormDelegateSeparator {
             above: licenseField
             below: freeTrialField
         }
-
         FormCard.FormCheckDelegate {
             id: freeTrialField
-            text: i18n("Free Trial")
+
             description: i18n("Check if the account is currently on free trial.")
+            text: i18n("Free Trial")
         }
-
         FormCard.FormDelegateSeparator {
             above: freeTrialField
             below: buttonDelegate
         }
-
         FormCard.FormButtonDelegate {
             id: buttonDelegate
-            text: i18n("Add Account")
-            icon.name: "list-add-symbolic"
+
             enabled: page.isValid
+            icon.name: "list-add-symbolic"
+            text: i18n("Add Account")
+
             onClicked: {
-                let account = LauncherCore.accountManager.createSquareEnixAccount(usernameField.text, licenseField.currentIndex, freeTrialField.checkState === Qt.Checked)
+                let account = LauncherCore.accountManager.createSquareEnixAccount(usernameField.text, licenseField.currentIndex, freeTrialField.checkState === Qt.Checked);
                 if (page.profile) {
-                    page.profile.account = account
-                    applicationWindow().checkSetup()
+                    page.profile.account = account;
+                    applicationWindow().checkSetup();
                 } else {
-                    page.Window.window.pageStack.layers.pop()
+                    page.Window.window.pageStack.layers.pop();
                 }
             }
         }
     }
+    Kirigami.PromptDialog {
+        id: errorDialog
+
+        showCloseButton: false
+        standardButtons: Kirigami.Dialog.Ok
+        title: i18n("Steam Warning")
+        subtitle: i18n("Steam linked Square Enix accounts are not currently supported. You will have to use another launcher that supports these, such as the official launcher or XIVLauncher.Core.")
+    }
 }
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