diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2792f73cc9..06de87a79c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -301,7 +301,7 @@ jobs:
         dist/redrob-windows-x64/bin/redrob.exe
         dist/redrob-windows-x64-baseline/bin/redrob.exe
       REDROB_WINDOWS_INSTALLER: >-
-        dist/redrob-code-x64-setup.exe
+        dist/redrob-code-${{ needs.version.outputs.version }}-windows-x64-setup.exe
         dist/redrob-code-${{ needs.version.outputs.version }}-windows-x64.msi
         dist/redrob-code-${{ needs.version.outputs.version }}-windows-arm64.msi
     steps:
@@ -368,7 +368,7 @@ jobs:
             "/O${{ github.workspace }}\dist" `
             "${{ github.workspace }}\installer\windows\redrob-code.iss"
           if ($LASTEXITCODE -ne 0) { throw "ISCC failed with $LASTEXITCODE" }
-          $setup = "${{ github.workspace }}\dist\redrob-code-x64-setup.exe"
+          $setup = "${{ github.workspace }}\dist\redrob-code-${{ needs.version.outputs.version }}-windows-x64-setup.exe"
           if (-not (Test-Path $setup)) { throw "the installer was not produced at $setup" }
           Write-Host "built $((Get-Item $setup).Length) bytes"
 
@@ -430,7 +430,7 @@ jobs:
           name: release-windows
           path: |
             dist/redrob-windows-*.zip
-            dist/redrob-code-x64-setup.exe
+            dist/redrob-code-${{ needs.version.outputs.version }}-windows-x64-setup.exe
             dist/redrob-code-*-windows-*.msi
           if-no-files-found: error
 
diff --git a/installer/windows/redrob-code.iss b/installer/windows/redrob-code.iss
index 231a05a2fa..96470b0b95 100644
--- a/installer/windows/redrob-code.iss
+++ b/installer/windows/redrob-code.iss
@@ -1,6 +1,6 @@
 ; Redrob Code Windows installer.
 ;
-; Produces `redrob-code-x64-setup.exe`: a click-to-run installer, so Windows is not the one
+; Produces `redrob-code-<version>-windows-x64-setup.exe`: a click-to-run installer, so Windows is not the one
 ; platform where the only way in is to paste a PowerShell one-liner. That asymmetry is what this
 ; exists to remove -- kiro.dev hands a Windows user a signed .exe, and until now this project
 ; handed them a `curl` command and an archive whose name did not even exist in the release.
@@ -60,7 +60,10 @@ UninstallDisplayName=Redrob Code
 UninstallFilesDir={localappdata}\Redrob\uninstall
 
 OutputDir=.
-OutputBaseFilename=redrob-code-x64-setup
+; `<repo>-<version>-<os>-<arch>-setup`: the asset-name convention Redrob Launcher parses
+; (`redrob-code-0.6.8-windows-x64-setup.exe`), so a Windows user and the launcher see the same
+; version in the file name as in the release tag.
+OutputBaseFilename=redrob-code-{#AppVersion}-windows-x64-setup
 Compression=lzma2/max
 SolidCompression=yes
 WizardStyle=modern
diff --git a/packages/redrob/src/installation/index.ts b/packages/redrob/src/installation/index.ts
index dcf3bf9ab7..dc847f8423 100644
--- a/packages/redrob/src/installation/index.ts
+++ b/packages/redrob/src/installation/index.ts
@@ -131,7 +131,7 @@ export function isCurlInstall(execPath: string) {
  * directory deliberately, so recognising it is a location check like `isCurlInstall`'s rather than
  * a guess. It is a separate method because the two are not interchangeable at upgrade time: a
  * curl install is replaced by re-running `install.sh`, while this one is replaced by running the
- * next `redrob-code-x64-setup.exe`, and an in-place overwrite of a running `.exe` is not something
+ * next `redrob-code-<version>-windows-x64-setup.exe`, and an in-place overwrite of a running `.exe` is not something
  * Windows permits anyway.
  *
  * Without this the installer's own binary answers `unknown`, which refuses to upgrade at all -- so
@@ -256,7 +256,7 @@ const layer: Layer.Layer<Service, never, HttpClient.HttpClient | AppProcess.Serv
             // So this is a refusal WITH a next step, which is different from `unknown`: we know
             // exactly how this install got here and exactly what replaces it.
             return yield* new UpgradeFailedError({
-              stderr: `redrob at ${process.execPath} was installed by the Windows installer, so it is upgraded by running the new installer rather than in place. Download redrob-code-x64-setup.exe for ${target} from ${RELEASE_DOWNLOAD_BASE}/tag/v${target}`,
+              stderr: `redrob at ${process.execPath} was installed by the Windows installer, so it is upgraded by running the new installer rather than in place. Download redrob-code-${target}-windows-x64-setup.exe from ${RELEASE_DOWNLOAD_BASE}/tag/v${target}`,
             })
           default:
             // `unknown`. Re-running install.sh over a binary we did not place would write into
diff --git a/packages/redrob/test/installation/launcher-assets.test.ts b/packages/redrob/test/installation/launcher-assets.test.ts
index d345be5881..76ac4b0c92 100644
--- a/packages/redrob/test/installation/launcher-assets.test.ts
+++ b/packages/redrob/test/installation/launcher-assets.test.ts
@@ -48,7 +48,7 @@ describe("launcher asset names", () => {
     for (const bad of [
       "redrob-linux-x64.tar.gz", // no version, stem `redrob`
       "redrob-darwin-arm64.zip",
-      "redrob-code-x64-setup.exe", // the launcher does not install an exe
+      "redrob-code-0.5.1-windows-x64-setup.exe", // the launcher does not install an exe
       "redrob-code-v0.5.1-linux-x86_64.tar.gz", // leading v
       "redrob-code-0.5.1-linux-x64.tar.gz", // x64 is not a linux token
       "redrob-code-0.5.1-linux-amd64.tar.gz",
diff --git a/packages/redrob/test/installation/windows-installer.test.ts b/packages/redrob/test/installation/windows-installer.test.ts
index 2ecfbd856e..06a2536bc7 100644
--- a/packages/redrob/test/installation/windows-installer.test.ts
+++ b/packages/redrob/test/installation/windows-installer.test.ts
@@ -54,6 +54,6 @@ describe("the Windows installer definition", () => {
   })
 
   test("produces the asset name the release and the console both expect", () => {
-    expect(definition).toContain("OutputBaseFilename=redrob-code-x64-setup")
+    expect(definition).toContain("OutputBaseFilename=redrob-code-{#AppVersion}-windows-x64-setup")
   })
 })