diff --git a/scripts/e2e/parallels/windows-git.ts b/scripts/e2e/parallels/windows-git.ts
index d77f9168c7fc..e2485d7fe98e 100644
--- a/scripts/e2e/parallels/windows-git.ts
+++ b/scripts/e2e/parallels/windows-git.ts
@@ -125,7 +125,7 @@ if (Test-Path $portableGit) {
   Remove-Item $portableGit -Recurse -Force
 }
 New-Item -ItemType Directory -Force -Path $portableGit | Out-Null
-curl.exe -fsSL ${psSingleQuote(minGitUrl)} -o $archive
+curl.exe -fsSL --connect-timeout 10 --max-time 120 --retry 2 --retry-delay 2 ${psSingleQuote(minGitUrl)} -o $archive
 tar.exe -xf $archive -C $portableGit
 Remove-Item $archive -Force -ErrorAction SilentlyContinue
 $env:PATH = "$portableGit\\cmd;$portableGit\\mingw64\\bin;$portableGit\\usr\\bin;$env:PATH"
diff --git a/scripts/e2e/parallels/windows-smoke.ts b/scripts/e2e/parallels/windows-smoke.ts
index 800c3d237338..33c51ec7703b 100755
--- a/scripts/e2e/parallels/windows-smoke.ts
+++ b/scripts/e2e/parallels/windows-smoke.ts
@@ -542,7 +542,7 @@ ${cleanScript}`,
     const versionArg = this.installVersion ? ` -Tag ${psSingleQuote(this.installVersion)}` : "";
     this.guestPowerShell(
       `$ErrorActionPreference = 'Stop'
-$script = Invoke-RestMethod -Uri ${psSingleQuote(this.options.installUrl)}
+$script = Invoke-RestMethod -Uri ${psSingleQuote(this.options.installUrl)} -TimeoutSec 120
 & ([scriptblock]::Create($script))${versionArg} -NoOnboard
 if ($LASTEXITCODE -ne 0) { throw "installer failed with exit code $LASTEXITCODE" }
 Invoke-OpenClaw --version
@@ -559,7 +559,7 @@ if ($LASTEXITCODE -ne 0) { throw "openclaw --version failed with exit code $LAST
     this.guestPowerShell(
       `$ErrorActionPreference = 'Stop'
 $tgz = Join-Path $env:TEMP ${psSingleQuote(tempName)}
-curl.exe -fsSL ${psSingleQuote(tgzUrl)} -o $tgz
+curl.exe -fsSL --connect-timeout 10 --max-time 120 --retry 2 --retry-delay 2 ${psSingleQuote(tgzUrl)} -o $tgz
 npm.cmd install -g $tgz --no-fund --no-audit --loglevel=error
 if ($LASTEXITCODE -ne 0) { throw "npm install failed with exit code $LASTEXITCODE" }
 Invoke-OpenClaw --version
diff --git a/test/scripts/parallels-smoke-model.test.ts b/test/scripts/parallels-smoke-model.test.ts
index e81e7de77734..bf0d0a33aa48 100644
--- a/test/scripts/parallels-smoke-model.test.ts
+++ b/test/scripts/parallels-smoke-model.test.ts
@@ -1275,6 +1275,10 @@ if (isPrlctl) {
     expect(windowsGit.indexOf('"MinGit-2.53.0.2-64-bit.zip"')).toBeLessThan(
       windowsGit.indexOf('"MinGit-2.53.0.2-arm64.zip"'),
     );
+    expect(combined.match(/curl\.exe -fsSL --connect-timeout 10 --max-time 120 --retry 2/g))
+      .toHaveLength(2);
+    expect(script).toContain("Invoke-RestMethod -Uri");
+    expect(script).toContain("-TimeoutSec 120");
     expect(windowsGit).toContain('if "-64-bit." in name:');
     expect(windowsGit).toContain('elif "-arm64." in name:');
   });