diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 836be85..011a8a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,9 @@ jobs:
           - os: macOS-latest
             arch: aarch64
             version: 1
+          - os: windows-latest
+            arch: x64
+            version: nightly
     steps:
       - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
@@ -47,4 +50,4 @@ jobs:
       - uses: julia-actions/julia-docdeploy@latest
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
\ No newline at end of file
+          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
diff --git a/test/trim_compile_tests.jl b/test/trim_compile_tests.jl
index da649d8..6a50321 100644
--- a/test/trim_compile_tests.jl
+++ b/test/trim_compile_tests.jl
@@ -165,7 +165,12 @@ end
     if !_TRIM_SUPPORTED
         println("[trim] skip Julia < 1.12: JuliaC trim compilation is unavailable")
         @test true
-    elseif _TRIM_PRE_RELEASE
+    elseif Sys.iswindows() && VERSION.major == 1 && VERSION.minor == 13
+        # Windows Julia 1.13 can crash during trimmed executable startup.
+        # This appears fixed in Julia 1.14 nightly; keep Windows nightly coverage active.
+        println("[trim] skip Windows Julia 1.13: trimmed executable startup can crash; nightly appears fixed")
+        @test_skip false
+    elseif _TRIM_PRE_RELEASE && !Sys.iswindows()
         println("[trim] skip prerelease Julia: trim verifier behavior is not stable yet")
         @test true
     else