diff --git a/apple/TablePro/Core/Services/Licensing/SupportLinks.swift b/apple/TablePro/Core/Services/Licensing/SupportLinks.swift
index d8729f13d0..51d6692db9 100644
--- a/apple/TablePro/Core/Services/Licensing/SupportLinks.swift
+++ b/apple/TablePro/Core/Services/Licensing/SupportLinks.swift
@@ -17,6 +17,7 @@ internal enum SupportReferrer: Equatable {
     case licenseSettings
     case activationSheet
     case ask
+    case blackFriday
     case featureGate(ProFeature)
 
     internal var parameterValue: String {
@@ -31,6 +32,8 @@ internal enum SupportReferrer: Equatable {
             return "app-activation"
         case .ask:
             return "app-ask"
+        case .blackFriday:
+            return "app-black-friday"
         case .featureGate(let feature):
             return "app-gate-" + Self.slug(for: feature)
         }
@@ -54,6 +57,8 @@ internal enum SupportLinks {
     /// reaches the server or `location.search` and nothing can read it.
     private static let pricingPage = URL(string: "https://tablepro.app/#pricing")!
 
+    private static let blackFridayPage = URL(string: "https://tablepro.app/black-friday")!
+
     private static let sponsorsPage = URL(string: "https://github.com/sponsors/datlechin")!
 
     /// Where a licence is actually administered: invoices, seats, team members. A different place
@@ -70,6 +75,11 @@ internal enum SupportLinks {
         pricingPage.appending(queryItems: [URLQueryItem(name: "ref", value: referrer.parameterValue)])
     }
 
+    /// The sale page applies the discount code itself, so the link carries only the referrer.
+    internal static func blackFriday(_ referrer: SupportReferrer) -> URL {
+        blackFridayPage.appending(queryItems: [URLQueryItem(name: "ref", value: referrer.parameterValue)])
+    }
+
     /// GitHub Sponsors ignores `ref` and reads `metadata_<key>`, which it reports in the
     /// sponsorship transaction export.
     internal static func sponsors(_ referrer: SupportReferrer) -> URL {
diff --git a/apple/TablePro/Core/Services/Support/DatedSale.swift b/apple/TablePro/Core/Services/Support/DatedSale.swift
new file mode 100644
index 0000000000..8a2905b60e
--- /dev/null
+++ b/apple/TablePro/Core/Services/Support/DatedSale.swift
@@ -0,0 +1,33 @@
+//
+//  DatedSale.swift
+//  TablePro
+//
+
+import Foundation
+
+/// A discount on Pro that runs between two fixed instants.
+///
+/// Live from `start`, and gone at `end`. Kept pure, so its boundaries are tested without a window
+/// or a clock.
+internal struct DatedSale: Equatable, Sendable {
+    let start: Date
+    let end: Date
+    let percentOff: Int
+    let page: URL
+
+    func isLive(at date: Date) -> Bool {
+        start <= date && date < end
+    }
+}
+
+extension DatedSale {
+    /// The dates are fixed in the build because this is one dated sale, not a campaign the app
+    /// fetches: its notice is removed in the first release after it ends. The end is midnight
+    /// Pacific time on December 1.
+    static let blackFriday2026 = DatedSale(
+        start: Date(timeIntervalSince1970: 1_795_478_400), // 2026-11-24 00:00:00 UTC
+        end: Date(timeIntervalSince1970: 1_796_112_000), // 2026-12-01 08:00:00 UTC
+        percentOff: 40,
+        page: SupportLinks.blackFriday(.blackFriday)
+    )
+}
diff --git a/apple/TablePro/Resources/Localizable.xcstrings b/apple/TablePro/Resources/Localizable.xcstrings
index 18376062a4..68ff0662f7 100644
--- a/apple/TablePro/Resources/Localizable.xcstrings
+++ b/apple/TablePro/Resources/Localizable.xcstrings
@@ -31517,6 +31517,16 @@
     },
     "Binary values limit must be between 1 and 1,048,576 KB." : {
 
+    },
+    "Black Friday: %lld%% off Pro until %@" : {
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : "Black Friday: %1$lld%% off Pro until %2$@"
+          }
+        }
+      }
     },
     "Bloated Tables" : {
 
diff --git a/apple/TablePro/Views/Support/DatedSaleSchedule.swift b/apple/TablePro/Views/Support/DatedSaleSchedule.swift
new file mode 100644
index 0000000000..79518ebdbd
--- /dev/null
+++ b/apple/TablePro/Views/Support/DatedSaleSchedule.swift
@@ -0,0 +1,20 @@
+//
+//  DatedSaleSchedule.swift
+//  TablePro
+//
+
+import SwiftUI
+
+/// Redraws a `TimelineView` when its sale starts and when it ends, and at no other time.
+///
+/// Not `.explicit([sale.start, sale.end])`. Measured on macOS 27, that schedule draws its first
+/// frame with its first entry as the date, so a notice would show before the sale opens, and it
+/// never delivers its last entry, so the notice would stay after the sale ends. This one starts at
+/// the moment the view appears and ends on a date that never comes, so every boundary arrives.
+struct DatedSaleSchedule: TimelineSchedule {
+    let sale: DatedSale
+
+    func entries(from startDate: Date, mode: TimelineScheduleMode) -> [Date] {
+        [startDate] + [sale.start, sale.end].filter { $0 > startDate } + [.distantFuture]
+    }
+}
diff --git a/apple/TablePro/Views/Welcome/WelcomeActionsPanel.swift b/apple/TablePro/Views/Welcome/WelcomeActionsPanel.swift
index b85364c21b..3e26cd2b70 100644
--- a/apple/TablePro/Views/Welcome/WelcomeActionsPanel.swift
+++ b/apple/TablePro/Views/Welcome/WelcomeActionsPanel.swift
@@ -82,13 +82,36 @@ struct WelcomeActionsPanel: View {
             VStack(spacing: 4) {
                 licenseNotice
                 if licenseManager.supportAudience == .prospect {
-                    SupportPromptLink()
+                    prospectLinks
                 }
             }
             .font(.subheadline)
         }
     }
 
+    // The timeline holds both links, not the sale line alone: an empty TimelineView still takes the
+    // stack's spacing, so outside the sale it would leave a gap under the support link.
+    private var prospectLinks: some View {
+        let sale = DatedSale.blackFriday2026
+        return TimelineView(DatedSaleSchedule(sale: sale)) { context in
+            VStack(spacing: 4) {
+                SupportPromptLink()
+                if sale.isLive(at: context.date) {
+                    Link(
+                        String(
+                            format: String(localized: "Black Friday: %lld%% off Pro until %@"),
+                            sale.percentOff,
+                            sale.end.formatted(.dateTime.month(.abbreviated).day())
+                        ),
+                        destination: sale.page
+                    )
+                    .buttonStyle(.link)
+                    .accessibilityIdentifier("welcome-sale-link")
+                }
+            }
+        }
+    }
+
     private var actions: some View {
         VStack(spacing: 8) {
             Button(action: onNewConnection) {
diff --git a/apple/TableProTests/Core/Services/Licensing/SupportLinksTests.swift b/apple/TableProTests/Core/Services/Licensing/SupportLinksTests.swift
index caf724177e..47fb817a84 100644
--- a/apple/TableProTests/Core/Services/Licensing/SupportLinksTests.swift
+++ b/apple/TableProTests/Core/Services/Licensing/SupportLinksTests.swift
@@ -12,7 +12,7 @@ import Testing
 
 struct SupportLinksTests {
     private static let everyReferrer: [SupportReferrer] =
-        [.supportWindow, .aboutPanel, .licenseSettings, .activationSheet, .ask]
+        [.supportWindow, .aboutPanel, .licenseSettings, .activationSheet, .ask, .blackFriday]
             + ProFeature.allCases.map { .featureGate($0) }
 
     private static func components(_ url: URL) -> URLComponents? {
@@ -85,6 +85,17 @@ struct SupportLinksTests {
         }
     }
 
+    @Test("The Black Friday link opens the sale page with its ref and no code")
+    func blackFridayLinkIsTagged() throws {
+        let url = SupportLinks.blackFriday(.blackFriday)
+        let parts = try #require(Self.components(url))
+
+        #expect(url.absoluteString == "https://tablepro.app/black-friday?ref=app-black-friday")
+        #expect(parts.host == "tablepro.app")
+        #expect(parts.path == "/black-friday")
+        #expect(parts.queryItems == [URLQueryItem(name: "ref", value: "app-black-friday")])
+    }
+
     @Test("The Macs link opens the account page that removes a Mac from a license")
     func accountMachinesOpensTheMacsPage() {
         #expect(SupportLinks.accountMachines.absoluteString == "https://tablepro.app/account/machines")
diff --git a/apple/TableProTests/Core/Services/Support/DatedSaleTests.swift b/apple/TableProTests/Core/Services/Support/DatedSaleTests.swift
new file mode 100644
index 0000000000..9b4536a6ac
--- /dev/null
+++ b/apple/TableProTests/Core/Services/Support/DatedSaleTests.swift
@@ -0,0 +1,36 @@
+//
+//  DatedSaleTests.swift
+//  TableProTests
+//
+
+import Foundation
+@testable import TablePro
+import Testing
+
+struct DatedSaleTests {
+    private let sale = DatedSale.blackFriday2026
+
+    @Test("Black Friday runs from Nov 24 00:00 UTC to Dec 1 08:00 UTC")
+    func blackFridayInstants() throws {
+        #expect(sale.start == (try Date("2026-11-24T00:00:00Z", strategy: .iso8601)))
+        #expect(sale.end == (try Date("2026-12-01T08:00:00Z", strategy: .iso8601)))
+        #expect(sale.percentOff == 40)
+    }
+
+    @Test("The sale opens at its start, not a second before")
+    func opensAtTheStart() {
+        #expect(!sale.isLive(at: sale.start.addingTimeInterval(-1)))
+        #expect(sale.isLive(at: sale.start))
+    }
+
+    @Test("The sale is still on a second before its end, and over at the end")
+    func closesAtTheEnd() {
+        #expect(sale.isLive(at: sale.end.addingTimeInterval(-1)))
+        #expect(!sale.isLive(at: sale.end))
+    }
+
+    @Test("The notice opens the sale page tagged with where it was clicked")
+    func pageCarriesItsReferrer() {
+        #expect(sale.page.absoluteString == "https://tablepro.app/black-friday?ref=app-black-friday")
+    }
+}
diff --git a/apple/TableProTests/Views/Support/DatedSaleScheduleTests.swift b/apple/TableProTests/Views/Support/DatedSaleScheduleTests.swift
new file mode 100644
index 0000000000..9a784393b0
--- /dev/null
+++ b/apple/TableProTests/Views/Support/DatedSaleScheduleTests.swift
@@ -0,0 +1,44 @@
+//
+//  DatedSaleScheduleTests.swift
+//  TableProTests
+//
+//  The first entry is the date a TimelineView draws its first frame with, and the last entry is
+//  never delivered, so each case checks both ends of the list.
+//
+
+import Foundation
+import SwiftUI
+@testable import TablePro
+import Testing
+
+struct DatedSaleScheduleTests {
+    private let sale = DatedSale.blackFriday2026
+
+    private var schedule: DatedSaleSchedule {
+        DatedSaleSchedule(sale: sale)
+    }
+
+    @Test("Before the sale the view draws the present, then redraws at the start and the end")
+    func beforeTheSale() {
+        let now = sale.start.addingTimeInterval(-86_400)
+
+        #expect(schedule.entries(from: now, mode: .normal) == [now, sale.start, sale.end, .distantFuture])
+    }
+
+    @Test("At the start the view draws the start, then redraws at the end")
+    func atTheStart() {
+        #expect(schedule.entries(from: sale.start, mode: .normal) == [sale.start, sale.end, .distantFuture])
+    }
+
+    @Test("During the sale only the end is still ahead")
+    func duringTheSale() {
+        let now = sale.end.addingTimeInterval(-1)
+
+        #expect(schedule.entries(from: now, mode: .normal) == [now, sale.end, .distantFuture])
+    }
+
+    @Test("After the sale nothing is ahead")
+    func afterTheSale() {
+        #expect(schedule.entries(from: sale.end, mode: .normal) == [sale.end, .distantFuture])
+    }
+}
diff --git a/apple/changelog.d/3995.added.md b/apple/changelog.d/3995.added.md
new file mode 100644
index 0000000000..da0958696b
--- /dev/null
+++ b/apple/changelog.d/3995.added.md
@@ -0,0 +1 @@
+People without a license see a Black Friday offer on the Welcome window: 40% off Pro until December 1.