diff --git a/.yarnrc.yml b/.yarnrc.yml
index fdb215c911..410a0f6f98 100644
--- a/.yarnrc.yml
+++ b/.yarnrc.yml
@@ -12,3 +12,4 @@ npmPreapprovedPackages:
   - '@electron/*'
   - '@electron-forge/*'
   - 'electron'
+  - update-electron-app
diff --git a/forge.config.ts b/forge.config.ts
index 9deff6e69a..ec9a8bee6b 100644
--- a/forge.config.ts
+++ b/forge.config.ts
@@ -1,6 +1,7 @@
 import * as path from 'node:path';
 
 import { FuseV1Options, FuseVersion } from '@electron/fuses';
+import { MakerMSIX } from '@electron-forge/maker-msix';
 import { FusesPlugin } from '@electron-forge/plugin-fuses';
 import type { ForgeConfig } from '@electron-forge/shared-types';
 
@@ -141,6 +142,23 @@ const config: ForgeConfig = {
           : undefined,
       }),
     },
+    new MakerMSIX({
+      manifestVariables: {
+        publisher:
+          'CN=OpenJS Foundation, OU=Electron, O=OpenJS Foundation, L=San Francisco, S=California, C=US, SERIALNUMBER=5579593, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.2=Delaware, OID.1.3.6.1.4.1.311.60.2.1.3=US',
+        publisherDisplayName: 'OpenJS Foundation',
+        packageIdentity: 'ElectronCommunity.ElectronFiddle',
+        appExecutable: 'electron-fiddle.exe',
+        packageDisplayName: 'Electron Fiddle',
+        appDisplayName: 'Electron Fiddle',
+        packageDescription: packageJson.description,
+      },
+      windowsSignOptions: process.env.CERT_FINGERPRINT
+        ? {
+            signWithParams: `/sha1 ${process.env.CERT_FINGERPRINT} /tr http://timestamp.digicert.com /td SHA256 /fd SHA256`,
+          }
+        : undefined,
+    }),
     {
       name: '@electron-forge/maker-zip',
       platforms: ['darwin'],
diff --git a/package.json b/package.json
index 4c8c381b43..614dcc2dde 100644
--- a/package.json
+++ b/package.json
@@ -70,11 +70,12 @@
     "semver": "^7.3.4",
     "sfw": "^2.0.4",
     "shell-env": "^4.0.3",
-    "update-electron-app": "^3.0.0"
+    "update-electron-app": "^3.2.0"
   },
   "devDependencies": {
     "@electron-forge/cli": "8.0.0-alpha.9",
     "@electron-forge/maker-deb": "8.0.0-alpha.9",
+    "@electron-forge/maker-msix": "8.0.0-alpha.9",
     "@electron-forge/maker-rpm": "8.0.0-alpha.9",
     "@electron-forge/maker-squirrel": "8.0.0-alpha.9",
     "@electron-forge/maker-zip": "8.0.0-alpha.9",
diff --git a/yarn.lock b/yarn.lock
index 794e2512f9..a7b503cf89 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -483,6 +483,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@electron-forge/maker-msix@npm:8.0.0-alpha.9":
+  version: 8.0.0-alpha.9
+  resolution: "@electron-forge/maker-msix@npm:8.0.0-alpha.9"
+  dependencies:
+    "@electron-forge/core-utils": "npm:8.0.0-alpha.9"
+    "@electron-forge/maker-base": "npm:8.0.0-alpha.9"
+    "@electron-forge/shared-types": "npm:8.0.0-alpha.9"
+    electron-windows-msix: "npm:^2.0.4"
+    fs-extra: "npm:^10.0.0"
+  checksum: 10c0/1b7cce03fb81990a6755a907d00499827091312e376c56401bae861d6eedf59712cc6986a7b19d00d1ef8ebcee296e1e5e71115c3eeba4f1d29e64ba53f6fa85
+  languageName: node
+  linkType: hard
+
 "@electron-forge/maker-rpm@npm:8.0.0-alpha.9":
   version: 8.0.0-alpha.9
   resolution: "@electron-forge/maker-rpm@npm:8.0.0-alpha.9"
@@ -836,7 +849,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@electron/windows-sign@npm:^1.1.2":
+"@electron/windows-sign@npm:^1.1.2, @electron/windows-sign@npm:^1.2.2":
   version: 1.2.2
   resolution: "@electron/windows-sign@npm:1.2.2"
   dependencies:
@@ -4101,11 +4114,11 @@ __metadata:
   linkType: hard
 
 "brace-expansion@npm:^5.0.5":
-  version: 5.0.6
-  resolution: "brace-expansion@npm:5.0.6"
+  version: 5.0.5
+  resolution: "brace-expansion@npm:5.0.5"
   dependencies:
     balanced-match: "npm:^4.0.2"
-  checksum: 10c0/8c919869b90f61d533b341d3340be5ee4413232ea89b8246cbc2f38eb014f1d8182785c98a006eaf6111d02dc9eeffefdc240d5ac158625b2ed084dccd4bbf9b
+  checksum: 10c0/4d238e14ed4f5cc9c07285550a41cef23121ca08ba99fa9eb5b55b580dcb6bf868b8210aa10526bdc9f8dc97f33ca2a7259039c4cc131a93042beddb424c48e3
   languageName: node
   linkType: hard
 
@@ -5294,6 +5307,7 @@ __metadata:
     "@blueprintjs/select": "npm:^3.15.0"
     "@electron-forge/cli": "npm:8.0.0-alpha.9"
     "@electron-forge/maker-deb": "npm:8.0.0-alpha.9"
+    "@electron-forge/maker-msix": "npm:8.0.0-alpha.9"
     "@electron-forge/maker-rpm": "npm:8.0.0-alpha.9"
     "@electron-forge/maker-squirrel": "npm:8.0.0-alpha.9"
     "@electron-forge/maker-zip": "npm:8.0.0-alpha.9"
@@ -5376,7 +5390,7 @@ __metadata:
     ts-loader: "npm:^9.4.4"
     tsx: "npm:^4.20.3"
     typescript: "npm:^5.8.3"
-    update-electron-app: "npm:^3.0.0"
+    update-electron-app: "npm:^3.2.0"
     vitest: "npm:^4.1.0"
     webpack: "npm:^5.104.1"
   dependenciesMeta:
@@ -5459,6 +5473,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"electron-windows-msix@npm:^2.0.4":
+  version: 2.0.4
+  resolution: "electron-windows-msix@npm:2.0.4"
+  dependencies:
+    "@electron/windows-sign": "npm:^1.2.2"
+    "@malept/cross-spawn-promise": "npm:^2.0.0"
+    chalk: "npm:^3.0.0"
+    debug: "npm:^4.4.1"
+    fs-extra: "npm:^11.2.0"
+    xml-escape: "npm:^1.1.0"
+  checksum: 10c0/2fe28f34920534c45ad9e8424ce3c687862f332190df241101c72f87ea438eff7c71f313bc96f5961d2adee62ef06874d61ab8b71d044de4aaed216665f6965c
+  languageName: node
+  linkType: hard
+
 "electron-winstaller@npm:^5.3.0":
   version: 5.3.1
   resolution: "electron-winstaller@npm:5.3.1"
@@ -5477,8 +5505,8 @@ __metadata:
   linkType: hard
 
 "electron@npm:^42.1.0":
-  version: 42.1.0
-  resolution: "electron@npm:42.1.0"
+  version: 42.3.2
+  resolution: "electron@npm:42.3.2"
   dependencies:
     "@electron/get": "npm:^5.0.0"
     "@types/node": "npm:^24.9.0"
@@ -5486,7 +5514,7 @@ __metadata:
   bin:
     electron: cli.js
     install-electron: install.js
-  checksum: 10c0/26f3eac756714bec0a1dfe72659dcc182d9ff3b6efb4abbefea392bad41f5569af8622d426a88598d24d46bddc78d6ca86a7ed7948739ef31962fa531f0620a3
+  checksum: 10c0/04d261772430bf4abad04254df372a50b86bd99ebf588e1c654be00eb2cb560079101d35b6d58f80a68fde933e0f15908d1e764464796936a8a7ff78facaf0f3
   languageName: node
   linkType: hard
 
@@ -6369,9 +6397,9 @@ __metadata:
   linkType: hard
 
 "fast-uri@npm:^3.0.1":
-  version: 3.1.2
-  resolution: "fast-uri@npm:3.1.2"
-  checksum: 10c0/5b35641895959f3f7ab7a7b1b5542bded159346f25ec9f256817b206d50b64eda5828e90d605a2e2fc645c90519a7259c2bab2c942ee728c88b88e5be21b090d
+  version: 3.0.6
+  resolution: "fast-uri@npm:3.0.6"
+  checksum: 10c0/74a513c2af0584448aee71ce56005185f81239eab7a2343110e5bad50c39ad4fb19c5a6f99783ead1cac7ccaf3461a6034fda89fffa2b30b6d99b9f21c2f9d29
   languageName: node
   linkType: hard
 
@@ -6610,6 +6638,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fs-extra@npm:^11.2.0":
+  version: 11.3.4
+  resolution: "fs-extra@npm:11.3.4"
+  dependencies:
+    graceful-fs: "npm:^4.2.0"
+    jsonfile: "npm:^6.0.1"
+    universalify: "npm:^2.0.0"
+  checksum: 10c0/e08276f767a62496ae97d711aaa692c6a478177f24a85979b6a2881c9db9c68b8c2ad5da0bcf92c0b2a474cea6e935ec245656441527958fd8372cb647087df0
+  languageName: node
+  linkType: hard
+
 "fs-extra@npm:^7.0.1":
   version: 7.0.1
   resolution: "fs-extra@npm:7.0.1"
@@ -7901,7 +7940,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"is-url@npm:^1.1.0, is-url@npm:^1.2.4":
+"is-url@npm:^1.1.0":
   version: 1.2.4
   resolution: "is-url@npm:1.2.4"
   checksum: 10c0/0157a79874f8f95fdd63540e3f38c8583c2ef572661cd0693cda80ae3e42dfe8e9a4a972ec1b827f861d9a9acf75b37f7d58a37f94a8a053259642912c252bc3
@@ -12965,14 +13004,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"update-electron-app@npm:^3.0.0":
-  version: 3.0.0
-  resolution: "update-electron-app@npm:3.0.0"
+"update-electron-app@npm:^3.2.0":
+  version: 3.2.0
+  resolution: "update-electron-app@npm:3.2.0"
   dependencies:
     github-url-to-object: "npm:^4.0.4"
-    is-url: "npm:^1.2.4"
     ms: "npm:^2.1.1"
-  checksum: 10c0/5e0b9ce8fd2cbcf6ea64d8029f90d90394facf05d86c8dceda5dba79af6e21522ef4f37f212982be781f488d497882529d9b11b91174159f6567a24039c76e6a
+  checksum: 10c0/b8e29d384d5ae5c65705879863afe662fb5853c4350ebd8f7dab1a0c1db6413096b43d9b27a1f6215ce93d8424a8945be0b6b527f9e51cdf5201ff2b33541f90
   languageName: node
   linkType: hard
 
@@ -13684,6 +13722,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"xml-escape@npm:^1.1.0":
+  version: 1.1.0
+  resolution: "xml-escape@npm:1.1.0"
+  checksum: 10c0/973cef0e383c373d1ccbacbba33ac49e7f2afd60d2710ed1308e153d2aa3b3189477f79315eb10eed43b7221add040a5eab18107170b658559e4d29ce7653a76
+  languageName: node
+  linkType: hard
+
 "xml-name-validator@npm:^5.0.0":
   version: 5.0.0
   resolution: "xml-name-validator@npm:5.0.0"