diff --git a/.github/workflows/macos-release.yml b/.github/workflows/release.yml
similarity index 72%
rename from .github/workflows/macos-release.yml
rename to .github/workflows/release.yml
index 489e0615c..6b56f01b5 100644
--- a/.github/workflows/macos-release.yml
+++ b/.github/workflows/release.yml
@@ -1,4 +1,4 @@
-name: "Build macOS Release"
+name: "Build Ark Release"
 on:
     push:
         branches:
@@ -76,8 +76,8 @@ jobs:
                   echo "Existing ${{ needs.get_version.outputs.ARK_VERSION }} release: ${{steps.check_tag.outputs.exists}}"
                   echo "result=${{steps.check_tag.outputs.exists}}" >> $GITHUB_OUTPUT
 
-    # Build ARK for both arm64 (Apple Silicon) and x64 (Intel) hosts.
-    build_archs:
+    # Build ARK for macOS. Both arm64 (Apple Silicon) and x64 (Intel) hosts.
+    build_macos:
         name: Build macOS
         runs-on: [self-hosted, macos, arm64]
         needs: [revive_agent, get_version]
@@ -183,10 +183,79 @@ jobs:
                   name: ark-${{ matrix.flavor }}-darwin-${{ matrix.arch }}-archive
                   path: ark-${{ needs.get_version.outputs.ARK_VERSION }}-${{ matrix.flavor }}-darwin-${{ matrix.arch }}.zip
 
+    build_windows:
+        name: Build Windows
+        runs-on: windows-latest
+        timeout-minutes: 40
+        needs: [get_version]
+
+        env:
+            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+        strategy:
+            matrix:
+                arch: [x64]
+                flavor: [debug, release]
+                include:
+                    - arch: x64
+                      rust_target_prefix: x86_64
+
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Setup R
+              uses: r-lib/actions/setup-r@v2
+              with:
+                  r-version: '4.3.2'
+
+            - name: Find R installation
+              id: r_installation
+              shell: bash
+              run: |
+                  R_HOME="C:\R"
+                  R_SCRIPT="${R_HOME}\bin\x64\Rscript.exe"
+                  echo "Using R at ${R_HOME}"
+                  echo "Using Rscript at ${R_SCRIPT}"
+                  # Output the result for consumption in later steps
+                  echo "r_home=${R_HOME}" >> $GITHUB_OUTPUT
+                  echo "r_script=${R_SCRIPT}" >> $GITHUB_OUTPUT
+
+            - name: Generate LIB from DLL
+              shell: cmd
+              run: |
+                  ${{ steps.r_installation.outputs.r_script }} "scripts\windows\dll2lib.R"
+
+            - name: Compile ARK
+              env:
+                  ARK_BUILD_TYPE: ${{ matrix.flavor }}
+                  RUST_TARGET: ${{ matrix.rust_target_prefix }}-pc-windows-msvc
+                  R_HOME: ${{ steps.r_installation.outputs.r_home }}
+              shell: cmd
+              run: |
+                  cargo clean
+                  cargo build ${{ matrix.flavor == 'release' && '--release' || '' }} --target ${{ matrix.rust_target_prefix }}-pc-windows-msvc
+
+            - name: Create archive
+              shell: pwsh
+              run: |
+                  # Compress the kernel to an archive
+                  $params = @{
+                    Path = "target\${{ matrix.rust_target_prefix }}-pc-windows-msvc\${{ matrix.flavor }}\ark.exe"
+                    DestinationPath = "ark-${{ needs.get_version.outputs.ARK_VERSION }}-${{ matrix.flavor }}-windows-${{ matrix.arch }}.zip"
+                  }
+                  Compress-Archive @params
+
+            - name: Upload client archive
+              uses: actions/upload-artifact@v3
+              with:
+                  name: ark-${{ matrix.flavor }}-windows-${{ matrix.arch }}-archive
+                  path: ark-${{ needs.get_version.outputs.ARK_VERSION }}-${{ matrix.flavor }}-windows-${{ matrix.arch }}.zip
+
     create_release:
         name: Create Release
         runs-on: [self-hosted, macos, arm64]
-        needs: [get_version, build_archs, check_release]
+        needs: [get_version, build_macos, build_windows, check_release]
         if: ${{ needs.check_release.outputs.EXISTING_RELEASE == 'false' }}
         env:
             GITHUB_TOKEN: ${{ github.token }}
@@ -217,19 +286,24 @@ jobs:
                 flavor: [debug, release]
 
         steps:
-            # Download arm64 and x64 binaries
-            - name: Download arm64 kernel (${{ matrix.flavor }})
+            # Download all binaries
+            - name: Download macOS arm64 kernel (${{ matrix.flavor }})
               uses: actions/download-artifact@v3
               with:
                   name: ark-${{ matrix.flavor }}-darwin-arm64-archive
 
-            - name: Download x64 kernel (${{ matrix.flavor}})
+            - name: Download macOS x64 kernel (${{ matrix.flavor}})
               uses: actions/download-artifact@v3
               with:
                   name: ark-${{ matrix.flavor }}-darwin-x64-archive
 
-            # Combine them to a single binary with lipo
-            - name: Create universal binary
+            - name: Download Windows x64 kernel (${{ matrix.flavor}})
+              uses: actions/download-artifact@v3
+              with:
+                  name: ark-${{ matrix.flavor }}-windows-x64-archive
+
+            # Combine macOS binaries to a single binary with lipo
+            - name: Create macOS universal binary
               run: |
                   # Decompress x64 builds
                   rm -rf x64 && mkdir x64 && pushd x64
@@ -248,13 +322,23 @@ jobs:
                   ARCHIVE="$GITHUB_WORKSPACE/ark-${{ needs.get_version.outputs.ARK_VERSION }}${{ env.DEBUG_FLAG }}-darwin-universal.zip"
                   zip -Xry $ARCHIVE ark
 
-                  # Add the R modules (these aren't architecture dependent)
-                  echo "Adding R modules ..."
+            # Add the R modules (these aren't architecture dependent)
+            - name: Add Ark R modules
+              run: |
+                  ARCHIVE_MAC="$GITHUB_WORKSPACE/ark-${{ needs.get_version.outputs.ARK_VERSION }}${{ env.DEBUG_FLAG }}-darwin-universal.zip"
+                  ARCHIVE_WINDOWS="$GITHUB_WORKSPACE/ark-${{ needs.get_version.outputs.ARK_VERSION }}-${{ matrix.flavor }}-windows-x64.zip"
+
                   pushd crates/ark/src
-                  zip -Xry $ARCHIVE modules
+
+                  echo "Adding R modules to macOS binary ..."
+                  zip -Xry $ARCHIVE_MAC modules
+
+                  echo "Adding R modules to Windows binary ..."
+                  zip -Xry $ARCHIVE_WINDOWS modules
+
                   popd
 
-            - name: Upload release artifact (universal)
+            - name: Upload macOS release artifact (universal)
               uses: actions/upload-release-asset@v1
               env:
                   GITHUB_TOKEN: ${{ github.token }}
@@ -264,10 +348,20 @@ jobs:
                   asset_name: ark-${{ needs.get_version.outputs.ARK_VERSION }}${{ env.DEBUG_FLAG }}-darwin-universal.zip
                   asset_content_type: application/octet-stream
 
+            - name: Upload Windows release artifact (x64)
+              uses: actions/upload-release-asset@v1
+              env:
+                  GITHUB_TOKEN: ${{ github.token }}
+              with:
+                  upload_url: ${{ needs.create_release.outputs.upload_url }}
+                  asset_path: ark-${{ needs.get_version.outputs.ARK_VERSION }}-${{ matrix.flavor }}-windows-x64.zip
+                  asset_name: ark-${{ needs.get_version.outputs.ARK_VERSION }}${{ env.DEBUG_FLAG }}-windows-x64.zip
+                  asset_content_type: application/octet-stream
+
     status:
         if: ${{ failure() }}
         runs-on: self-hosted
-        needs: [build_archs, get_version]
+        needs: [build_macos, build_windows, get_version]
         steps:
             - name: Notify slack if build fails
               uses: slackapi/slack-github-action@v1.24.0
diff --git a/Cargo.lock b/Cargo.lock
index 7df184945..44541ad1c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -293,7 +293,7 @@ dependencies = [
 
 [[package]]
 name = "ark"
-version = "0.1.32"
+version = "0.1.33"
 dependencies = [
  "actix-web",
  "amalthea",
diff --git a/crates/ark/Cargo.toml b/crates/ark/Cargo.toml
index b1d615dac..6e3a8df59 100644
--- a/crates/ark/Cargo.toml
+++ b/crates/ark/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark"
-version = "0.1.32"
+version = "0.1.33"
 edition = "2021"
 rust-version = "1.70.0"
 description = """
diff --git a/crates/ark/src/modules.rs b/crates/ark/src/modules.rs
index ada568f1c..0f142f0b1 100644
--- a/crates/ark/src/modules.rs
+++ b/crates/ark/src/modules.rs
@@ -166,8 +166,8 @@ pub unsafe fn initialize(testing: bool) -> anyhow::Result<()> {
     // look in the source tree (found via the 'CARGO_MANIFEST_DIR' environment
     // variable).
     if !root.exists() {
-        let source = format!("{}/src/modules", env!("CARGO_MANIFEST_DIR"));
-        root = Path::new(&source).to_path_buf();
+        let source = env!("CARGO_MANIFEST_DIR");
+        root = Path::new(&source).join("src").join("modules").to_path_buf();
     }
 
     // Import all module files.
diff --git a/crates/harp/src/utils.rs b/crates/harp/src/utils.rs
index 7f0cc97bd..1fd48d0d0 100644
--- a/crates/harp/src/utils.rs
+++ b/crates/harp/src/utils.rs
@@ -648,8 +648,8 @@ fn init_modules() {
     // look in the source tree (found via the 'CARGO_MANIFEST_DIR' environment
     // variable).
     if !root.exists() {
-        let source = format!("{}/src/modules", env!("CARGO_MANIFEST_DIR"));
-        root = std::path::Path::new(&source).to_path_buf();
+        let source = env!("CARGO_MANIFEST_DIR");
+        root = Path::new(&source).join("src").join("modules").to_path_buf();
     }
 
     log::info!("Loading modules from directory: {}", root.display());
diff --git a/scripts/windows/dll2lib.R b/scripts/windows/dll2lib.R
index 4c346ceca..f4da50897 100644
--- a/scripts/windows/dll2lib.R
+++ b/scripts/windows/dll2lib.R
@@ -11,55 +11,61 @@
 
 # Typically something like:
 # "C:\\Program Files\\Microsoft Visual Studio\\2022\\Community\\VC\\Tools\\MSVC\\14.37.32822\\bin\\Hostx86\\x86"
-# We try to dynamically look up the year (2022) and exact version (14.37.32822)
-# in case they change on us
+# A number of the pieces are unstable (year, Community vs Enterprise, exact version)
+# so we try and use `vswhere.exe` and `vsdevcmd.bat` to find the exact path
+
 get_visual_studio_tools_directory <- function() {
-  path <- file.path("C:", "Program Files", "Microsoft Visual Studio")
+  # First find `vswhere.exe`, which is supposedly always in the same spot
+  vswhere <- file.path("C:", "Program Files (x86)", "Microsoft Visual Studio", "Installer")
 
-  if (!dir.exists(path)) {
-    stop("Microsoft Visual Studio has not been installed.")
+  if (!dir.exists(vswhere)) {
+    stop("Microsoft Visual Studio Installer folder does not exist.")
   }
 
-  # Dynamically look up the next folder, which should be a year like `2022`
-  files <- dir(path)
-  n_files <- length(files)
-
-  if (n_files == 0L) {
-    stop("Expected at least 1 version of Microsoft Visual Studio.")
-  } else if (n_files == 1L) {
-    year <- files
-  } else {
-    warning("Expected exactly 1 version of Microsoft Visual Studio. Using the last (hopefully newest) version.")
-    year <- files[[n_files]]
-  }
+  vswhere <- file.path(vswhere, "vswhere.exe")
+  vswhere <- normalizePath(vswhere, mustWork = TRUE)
+  vswhere <- shQuote(vswhere)
+  vswhere <- paste(vswhere, "-prerelease -latest -property installationPath")
 
-  path <- file.path(path, year, "Community", "VC", "Tools", "MSVC")
+  # `vswhere` tells us where Microsoft Visual Studio lives
+  visualstudio <- system(vswhere, intern = TRUE)
 
-  if (!dir.exists(path)) {
-    stop("Microsoft Visual Studio tools have not been installed.")
+  if (!is.character(visualstudio) && length(visualstudio) != 1L && !is.na(visualstudio) && !dir.exists(visualstudio)) {
+    stop("`vswhere` failed to find Microsoft Visual Studio")
   }
 
-  # Dynamically look up the next folder, which should be a very specific version
-  # of the tools like `14.38.33130`
-  files <- dir(path)
-  n_files <- length(files)
-
-  if (n_files == 0L) {
-    stop("Expected at least 1 version of the Microsoft Visual Studio tools.")
-  } else if (n_files == 1L) {
-    version <- files
-  } else {
-    warning("Expected exactly 1 version of the Microsoft Visual Studio tools. Using the last (hopefully newest) version.")
-    version <- files[[n_files]]
+  # Next we navigate to `vsdevcmd.bat`, which also has a stable path, according
+  # to https://github.com/microsoft/vswhere/wiki/Start-Developer-Command-Prompt
+  vscmdbat <- file.path(visualstudio, "Common7", "Tools", "VsDevCmd.bat")
+  vscmdbat <- normalizePath(vscmdbat, mustWork = TRUE)
+  vscmdbat <- shQuote(vscmdbat)
+  vscmdbat <- paste(vscmdbat, "-arch=amd64 -startdir=none -host_arch=amd64 -no_logo")
+
+  where <- "where dumpbin.exe"
+
+  # Running `VsDevCmd.bat` puts tools like `dumpbin.exe` and `link.exe` on the
+  # PATH in the current command prompt, so we run that and then ask `where` to
+  # find `dumpbin.exe` (finding `link.exe` also finds one from RTools).
+  command <- paste(vscmdbat, "&&", where)
+  dumpbin <- system(command, intern = TRUE)
+
+  if (length(dumpbin) > 1L) {
+    warning("Found multiple `dumpbin.exe`. Looking for one tied to Visual Studio.")
+    dumpbin <- dumpbin[grepl("Microsoft Visual Studio", dumpbin)]
+
+    if (length(dumpbin) > 1L) {
+      warning("Still have multiple `dumpbin.exe`. Taking the first.")
+      dumpbin <- dumpbin[[1L]]
+    }
   }
-
-  path <- file.path(path, version, "bin", "Hostx86", "x86")
-
-  if (!dir.exists(path)) {
-    stop("Microsoft Visual Studio tools directory is incorrect or missing.")
+  if (!is.character(dumpbin) && length(dumpbin) != 1L && !is.na(dumpbin) && !file.exists(dumpbin)) {
+    stop("`where` failed to find `dumpbin.exe`.")
   }
 
-  normalizePath(path, mustWork = TRUE)
+  # Now just look up one level
+  path <- normalizePath(file.path(dumpbin, ".."))
+
+  path
 }
 
 # Get the Visual Studio tools directory where `dumpbin.exe` and `lib.exe` live
@@ -112,7 +118,7 @@ for (dll in dlls) {
 
   # Call 'lib.exe' to generate the library file.
   outfile <- sub("dll$", "lib", dll)
-  fmt <- "lib.exe /def:%s /out:%s /machine:%s"
+  fmt <- "lib.exe /nologo /def:%s /out:%s /machine:%s"
   cmd <- sprintf(fmt, def, outfile, .Platform$r_arch)
   system(cmd)