diff --git a/app/main.js b/app/main.js
index c4342db..e73a9f2 100644
--- a/app/main.js
+++ b/app/main.js
@@ -21,6 +21,7 @@ const { readLock } = require('../core/locks');
 const CaptureService = require('./capture');
 const { TextIntelService } = require('./text-intel');
 const { keepProcessesResponsive } = require('./win-power');
+const PACKAGE_JSON = require(path.join(__dirname, '..', 'package.json'));
 
 const APP_ID = 'com.stepforge.app';
 
@@ -762,6 +763,7 @@ function setupIpc() {
   h('shell:showItemInFolder', ({ target }) => shell.showItemInFolder(target));
   h('app:info', () => ({
     version: app.getVersion(),
+    buildVersion: PACKAGE_JSON.buildVersion || app.getVersion(),
     dataDir: store.root,
     platform: process.platform,
   }));
diff --git a/app/renderer/app.js b/app/renderer/app.js
index f0842da..760ca6d 100644
--- a/app/renderer/app.js
+++ b/app/renderer/app.js
@@ -401,7 +401,7 @@ class StepForgeApp {
             el('div', { style: { fontWeight: 650 } }, folderLabel),
             q ? el('div.muted', {}, `Search: ${q}`) : el('div.muted', {}, `${this.state.library.guides.length} guides`),
           ),
-          el('div.muted', {}, this.state.info ? `StepForge ${this.state.info.version}` : ''),
+          el('div.muted', {}, this.state.info ? `StepForge ${this.state.info.buildVersion || this.state.info.version}` : ''),
         ),
         this.domBulkBar = el('div', {}),
         this.domLibraryResults = el('div', {}),
diff --git a/build/installer.nsh b/build/installer.nsh
index 32d47b6..5391d8e 100644
--- a/build/installer.nsh
+++ b/build/installer.nsh
@@ -1,10 +1,10 @@
 !include LogicLib.nsh
 !include nsDialogs.nsh
 
-Var StepForgeDesktopShortcutCheckbox
-Var StepForgeDesktopShortcutState
-
 !ifndef BUILD_UNINSTALLER
+  Var StepForgeDesktopShortcutCheckbox
+  Var StepForgeDesktopShortcutState
+
   ; Assisted installer page for the desktop shortcut choice.
   !macro customInit
     StrCpy $StepForgeDesktopShortcutState "true"
diff --git a/package-lock.json b/package-lock.json
index b21f5fe..2c6eee8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "stepforge",
-  "version": "0.3.2.1",
+  "version": "0.3.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "stepforge",
-      "version": "0.3.2.1",
+      "version": "0.3.2",
       "license": "MPL-2.0",
       "dependencies": {
         "@tesseract.js-data/eng": "^1.0.0",
diff --git a/package.json b/package.json
index 7ed31dd..61d17b7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "stepforge",
-  "version": "0.3.2.1",
+  "version": "0.3.2",
+  "buildVersion": "0.3.2.1",
   "description": "Fully offline desktop tool for capturing, annotating, and exporting step-by-step guides.",
   "main": "app/main.js",
   "author": "StepForge tyler@twestbrook.com",
diff --git a/scripts/bootstrap-offline.sh b/scripts/bootstrap-offline.sh
index 8dd2dfd..ffb8f68 100644
--- a/scripts/bootstrap-offline.sh
+++ b/scripts/bootstrap-offline.sh
@@ -20,5 +20,5 @@ fi
 
 node - <<'NODE'
 const pkg = require('./package.json');
-console.log(`StepForge ${pkg.version} bootstrap OK`);
+console.log(`StepForge ${pkg.buildVersion || pkg.version} bootstrap OK`);
 NODE
diff --git a/scripts/build-release.sh b/scripts/build-release.sh
index 60546d0..e5c51d3 100644
--- a/scripts/build-release.sh
+++ b/scripts/build-release.sh
@@ -70,6 +70,7 @@ for (const rel of walk(examplesRoot, examplesRoot)) {
 }
 
 const pkg = require(path.join(rootDir, 'package.json'));
+const buildVersion = pkg.buildVersion || pkg.version;
 
 const { execSync } = require('node:child_process');
 function toolAvailable(cmd) {
@@ -88,7 +89,8 @@ const toolRows = Object.entries(tools)
 
 const report = `# StepForge Build Report
 
-Version: ${pkg.version}
+Build version: ${buildVersion}
+Package version: ${pkg.version}
 Generated: ${new Date().toISOString()}
 Host: ${process.platform} ${process.arch} (node ${process.version})
 
@@ -133,6 +135,7 @@ fs.writeFileSync(manifestFile, JSON.stringify({
   version: 1,
   generatedAt: new Date().toISOString(),
   packageVersion: pkg.version,
+  buildVersion,
   files,
 }, null, 2) + '\n');
 NODE
diff --git a/scripts/package-linux.sh b/scripts/package-linux.sh
index a96f907..cf0fc0d 100644
--- a/scripts/package-linux.sh
+++ b/scripts/package-linux.sh
@@ -3,7 +3,7 @@
 set -euo pipefail
 
 ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
-VERSION="$(node -p "require('${ROOT_DIR}/package.json').version" 2>/dev/null || echo 0.0.0)"
+VERSION="$(node -p "const pkg=require('${ROOT_DIR}/package.json'); pkg.buildVersion || pkg.version" 2>/dev/null || echo 0.0.0)"
 OUT_DIR="${STEPFORGE_PACKAGE_DIR:-$ROOT_DIR/build/artifacts}"
 mkdir -p "$OUT_DIR"
 WORK_DIR="$(mktemp -d "${OUT_DIR%/}/.pkg.XXXXXX")"
diff --git a/scripts/package-windows.js b/scripts/package-windows.js
index f37cec0..18dba03 100644
--- a/scripts/package-windows.js
+++ b/scripts/package-windows.js
@@ -10,6 +10,7 @@ const { build, Platform } = require('electron-builder');
 const ROOT_DIR = path.resolve(__dirname, '..');
 const PACKAGE_JSON = require(path.join(ROOT_DIR, 'package.json'));
 const APP_ID = 'com.stepforge.app';
+const BUILD_VERSION = PACKAGE_JSON.buildVersion || PACKAGE_JSON.version;
 
 function findInstallerExe(dir) {
   if (!fs.existsSync(dir)) return null;
@@ -32,6 +33,7 @@ function createWindowsInstallerConfig(outputDir) {
   return {
     appId: APP_ID,
     productName: 'StepForge',
+    buildVersion: BUILD_VERSION,
     directories: {
       output: outputDir,
     },
@@ -52,6 +54,7 @@ function createWindowsInstallerConfig(outputDir) {
       createDesktopShortcut: true,
       createStartMenuShortcut: true,
       shortcutName: 'StepForge',
+      artifactName: '${productName} Setup ${buildVersion}.${ext}',
       include: 'build/installer.nsh',
     },
   };
@@ -87,7 +90,7 @@ async function buildWindowsInstaller() {
   const releaseInstaller = path.join(releaseDir, path.basename(builtInstaller));
   fs.copyFileSync(builtInstaller, releaseInstaller);
 
-  console.log(`StepForge ${PACKAGE_JSON.version} Windows installer written to ${releaseInstaller}`);
+  console.log(`StepForge ${BUILD_VERSION} Windows installer written to ${releaseInstaller}`);
 }
 
 if (require.main === module) {
diff --git a/scripts/stamp-version.js b/scripts/stamp-version.js
index 74d6770..60af74f 100644
--- a/scripts/stamp-version.js
+++ b/scripts/stamp-version.js
@@ -16,18 +16,25 @@ function stampVersion(rootDir, version) {
     throw new Error('version is required');
   }
 
+  const normalized = version.replace(/^v/i, '');
+  const parts = normalized.split('.');
+  const isFourPartBuild = parts.length === 4 && parts.every((part) => /^\d+$/.test(part));
+  const packageVersion = isFourPartBuild ? parts.slice(0, 3).join('.') : normalized;
+  const buildVersion = normalized;
+
   const pkgPath = path.join(rootDir, 'package.json');
   const pkg = readJson(pkgPath);
-  pkg.version = version;
+  pkg.version = packageVersion;
+  pkg.buildVersion = buildVersion;
   writeJson(pkgPath, pkg);
 
   const lockPath = path.join(rootDir, 'package-lock.json');
   if (!fs.existsSync(lockPath)) return;
 
   const lock = readJson(lockPath);
-  lock.version = version;
+  lock.version = packageVersion;
   if (lock.packages && lock.packages['']) {
-    lock.packages[''].version = version;
+    lock.packages[''].version = packageVersion;
   }
   writeJson(lockPath, lock);
 }
diff --git a/tests/unit/package-windows.test.js b/tests/unit/package-windows.test.js
index 123e557..ecad59b 100644
--- a/tests/unit/package-windows.test.js
+++ b/tests/unit/package-windows.test.js
@@ -21,6 +21,8 @@ test('Windows packaging uses an assisted NSIS installer', (t) => {
   assert.equal(config.nsis.createDesktopShortcut, true);
   assert.equal(config.nsis.createStartMenuShortcut, true);
   assert.equal(config.nsis.shortcutName, 'StepForge');
+  assert.equal(config.buildVersion, '0.3.2.1');
+  assert.equal(config.nsis.artifactName, '${productName} Setup ${buildVersion}.${ext}');
   assert.equal(config.nsis.include, 'build/installer.nsh');
   assert.equal(config.asar, true);
   assert.ok(config.files.includes('app/**/*'));
@@ -35,7 +37,7 @@ test('Windows packaging uses an assisted NSIS installer', (t) => {
   const tmp = makeTmpDir('windows-installer');
   t.after(() => rmrf(tmp));
   fs.mkdirSync(path.join(tmp, 'nested', 'deeper'), { recursive: true });
-  const installer = path.join(tmp, 'nested', 'deeper', 'StepForge Setup 0.2.0.exe');
+  const installer = path.join(tmp, 'nested', 'deeper', 'StepForge Setup 0.3.2.1.exe');
   fs.writeFileSync(installer, Buffer.from('fake installer'));
   assert.equal(findInstallerExe(tmp), installer);
 });
diff --git a/tests/unit/stamp-version.test.js b/tests/unit/stamp-version.test.js
index 4fa8fec..9b49509 100644
--- a/tests/unit/stamp-version.test.js
+++ b/tests/unit/stamp-version.test.js
@@ -8,13 +8,14 @@ const assert = require('node:assert/strict');
 const { makeTmpDir, rmrf } = require('./helpers');
 const { stampVersion } = require('../../scripts/stamp-version');
 
-test('stampVersion updates package metadata without semver validation', () => {
+test('stampVersion splits build labels into package and build versions', () => {
   const root = makeTmpDir('stamp-version');
   try {
     fs.writeFileSync(path.join(root, 'package.json'), JSON.stringify({
       name: 'stepforge',
       version: '0.1.0',
       private: true,
+      buildVersion: '0.1.0',
     }, null, 2));
 
     fs.writeFileSync(path.join(root, 'package-lock.json'), JSON.stringify({
@@ -35,9 +36,10 @@ test('stampVersion updates package metadata without semver validation', () => {
     const pkg = JSON.parse(fs.readFileSync(path.join(root, 'package.json'), 'utf8'));
     const lock = JSON.parse(fs.readFileSync(path.join(root, 'package-lock.json'), 'utf8'));
 
-    assert.equal(pkg.version, '0.3.2.1');
-    assert.equal(lock.version, '0.3.2.1');
-    assert.equal(lock.packages[''].version, '0.3.2.1');
+    assert.equal(pkg.version, '0.3.2');
+    assert.equal(pkg.buildVersion, '0.3.2.1');
+    assert.equal(lock.version, '0.3.2');
+    assert.equal(lock.packages[''].version, '0.3.2');
   } finally {
     rmrf(root);
   }