From 619a71ad0045b72540b44003413fe9c35b438d1b Mon Sep 17 00:00:00 2001
From: Mike McCready <66998419+MikeMcC399@users.noreply.github.com>
Date: Fri, 6 Jun 2025 10:25:37 +0200
Subject: [PATCH 1/2] chore: fix pre-release download for win32-arm64

follow-on fix for PR #31784
---
 cli/lib/tasks/install.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/cli/lib/tasks/install.js b/cli/lib/tasks/install.js
index 1f2fd504cb97..d8a033622951 100644
--- a/cli/lib/tasks/install.js
+++ b/cli/lib/tasks/install.js
@@ -19,7 +19,15 @@ const verbose = require('../VerboseRenderer')
 const { buildInfo, version } = require('../../package.json')
 
 function _getBinaryUrlFromBuildInfo (arch, { commitSha, commitBranch }) {
-  return `https://cdn.cypress.io/beta/binary/${version}/${os.platform()}-${arch}/${commitBranch}-${commitSha}/cypress.zip`
+  const platform = os.platform()
+
+  if ((platform === 'win32') && (arch === 'arm64')) {
+    debug(`detected platform ${platform} architecture ${arch} combination`)
+    arch = 'x64'
+    debug(`overriding to download ${platform}-${arch} pre-release binary instead`)
+  }
+
+  return `https://cdn.cypress.io/beta/binary/${version}/${platform}-${arch}/${commitBranch}-${commitSha}/cypress.zip`
 }
 
 const alreadyInstalledMsg = () => {

From 186d1606c5cb0d6d0cc34a0c983171a36c8a8ea4 Mon Sep 17 00:00:00 2001
From: Mike McCready <66998419+MikeMcC399@users.noreply.github.com>
Date: Fri, 6 Jun 2025 18:58:31 +0200
Subject: [PATCH 2/2] add unit test win32-arm64 to win32-x64 for pre-release

---
 cli/test/lib/tasks/install_spec.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cli/test/lib/tasks/install_spec.js b/cli/test/lib/tasks/install_spec.js
index 8fdea8d4122c..8575c938124a 100644
--- a/cli/test/lib/tasks/install_spec.js
+++ b/cli/test/lib/tasks/install_spec.js
@@ -502,5 +502,12 @@ describe('/lib/tasks/install', function () {
       expect(install._getBinaryUrlFromBuildInfo('x64', buildInfo))
       .to.eq(`https://cdn.cypress.io/beta/binary/0.0.0-development/linux-x64/aBranchName-abc123/cypress.zip`)
     })
+
+    it('overrides win32-arm64 to win32-x64 for pre-release', () => {
+      os.platform.returns('win32')
+
+      expect(install._getBinaryUrlFromBuildInfo('arm64', buildInfo))
+      .to.eq(`https://cdn.cypress.io/beta/binary/0.0.0-development/win32-x64/aBranchName-abc123/cypress.zip`)
+    })
   })
 })