diff --git a/Wino.Core.Domain/Translations/en_US/resources.json b/Wino.Core.Domain/Translations/en_US/resources.json
index 3ecca58b..8953daa6 100644
--- a/Wino.Core.Domain/Translations/en_US/resources.json
+++ b/Wino.Core.Domain/Translations/en_US/resources.json
@@ -1222,6 +1222,10 @@
     "WinoAccount_RegisterDialog_DifferenceTitle": "Wino Account is separate from your mail accounts",
     "WinoAccount_RegisterDialog_DifferenceDescription": "Your Outlook, Gmail, IMAP, or other email accounts stay exactly as they are. A Wino Account only manages Wino-specific features and account-based add-ons.",
     "WinoAccount_RegisterDialog_PrimaryButton": "Register",
+    "WinoAccount_RegisterDialog_PrivacyTitle": "Privacy and API processing",
+    "WinoAccount_RegisterDialog_PrivacyDescription": "Optional add-ons such as Wino AI Pack may send selected email HTML content to the Wino API service only when you use those features.",
+    "WinoAccount_RegisterDialog_PrivacyLinkText": "Read the privacy policy",
+    "WinoAccount_RegisterDialog_PrivacyCheckbox": "I agree to the privacy policy.",
     "WinoAccount_LoginDialog_Title": "Sign In to Wino Account",
     "WinoAccount_LoginDialog_Description": "Sign in to your Wino Account to sync your Wino setup and access account-based features.",
     "WinoAccount_LoginDialog_HeroTitle": "Welcome back",
@@ -1236,6 +1240,7 @@
     "WinoAccount_Validation_EmailRequired": "Email is required.",
     "WinoAccount_Validation_PasswordRequired": "Password is required.",
     "WinoAccount_Validation_PasswordMismatch": "Passwords do not match.",
+    "WinoAccount_Validation_PrivacyConsentRequired": "You must accept the privacy policy before creating a Wino Account.",
     "WinoAccount_Error_InvalidCredentials": "The email address or password is incorrect.",
     "WinoAccount_Error_AccountLocked": "This account is temporarily locked.",
     "WinoAccount_Error_AccountBanned": "This account has been banned.",
diff --git a/Wino.Mail.WinUI/Dialogs/WinoAccountRegistrationDialog.xaml b/Wino.Mail.WinUI/Dialogs/WinoAccountRegistrationDialog.xaml
index 3d0abfe5..3242fbb4 100644
--- a/Wino.Mail.WinUI/Dialogs/WinoAccountRegistrationDialog.xaml
+++ b/Wino.Mail.WinUI/Dialogs/WinoAccountRegistrationDialog.xaml
@@ -261,6 +261,31 @@
                     PasswordChanged="InputChanged" />
             </StackPanel>
 
+            <Border
+                Padding="14"
+                Background="{ThemeResource CardBackgroundFillColorSecondaryBrush}"
+                CornerRadius="12">
+                <StackPanel Spacing="10">
+                    <TextBlock
+                        Style="{StaticResource BodyStrongTextBlockStyle}"
+                        Text="{x:Bind domain:Translator.WinoAccount_RegisterDialog_PrivacyTitle}" />
+                    <TextBlock
+                        Foreground="{ThemeResource TextFillColorSecondaryBrush}"
+                        Style="{StaticResource CaptionTextBlockStyle}"
+                        Text="{x:Bind domain:Translator.WinoAccount_RegisterDialog_PrivacyDescription}"
+                        TextWrapping="WrapWholeWords" />
+                    <HyperlinkButton
+                        HorizontalAlignment="Left"
+                        Click="PrivacyPolicyLink_Click"
+                        Content="{x:Bind domain:Translator.WinoAccount_RegisterDialog_PrivacyLinkText}" />
+                    <CheckBox
+                        x:Name="PrivacyPolicyCheckBox"
+                        Checked="InputChanged"
+                        Unchecked="InputChanged"
+                        Content="{x:Bind domain:Translator.WinoAccount_RegisterDialog_PrivacyCheckbox}" />
+                </StackPanel>
+            </Border>
+
             <ProgressRing
                 x:Name="BusyRing"
                 Width="20"
diff --git a/Wino.Mail.WinUI/Dialogs/WinoAccountRegistrationDialog.xaml.cs b/Wino.Mail.WinUI/Dialogs/WinoAccountRegistrationDialog.xaml.cs
index cdad25b3..ab049102 100644
--- a/Wino.Mail.WinUI/Dialogs/WinoAccountRegistrationDialog.xaml.cs
+++ b/Wino.Mail.WinUI/Dialogs/WinoAccountRegistrationDialog.xaml.cs
@@ -12,6 +12,7 @@ namespace Wino.Dialogs;
 
 public sealed partial class WinoAccountRegistrationDialog : ContentDialog
 {
+    private const string PrivacyPolicyUrl = "https://www.winomail.app/accounts_policy.html";
     private readonly IWinoAccountProfileService _profileService;
 
     public WinoAccountRegistrationDialog(IWinoAccountProfileService profileService)
@@ -93,6 +94,11 @@ public sealed partial class WinoAccountRegistrationDialog : ContentDialog
             return Translator.WinoAccount_Validation_PasswordMismatch;
         }
 
+        if (PrivacyPolicyCheckBox.IsChecked != true)
+        {
+            return Translator.WinoAccount_Validation_PrivacyConsentRequired;
+        }
+
         return string.Empty;
     }
 
@@ -123,6 +129,11 @@ public sealed partial class WinoAccountRegistrationDialog : ContentDialog
         }
     }
 
+    private async void PrivacyPolicyLink_Click(object sender, RoutedEventArgs e)
+    {
+        await Launcher.LaunchUriAsync(new Uri(PrivacyPolicyUrl));
+    }
+
     private void InputChanged(TextBox sender, TextBoxTextChangingEventArgs args) => HideError();
 
     private void InputChanged(object sender, RoutedEventArgs e) => HideError();