diff --git a/TODO b/TODO
index be143c1..0bba161 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,5 @@
-* add GitHub workflow to build all targets, upload/publish all artifacts
-  * deb, rpm, tgz of source
+* add GitHub Actions/workflow to build all targets, upload/publish all artifacts
+  * deb, rpm?, tgz of source?
   * Docker container on DockerHub, GitHub Container Repository (ghcr.io)
     * containers could have multiple tags as in `latest` and `1.0.0`
 * build windows MSYS2
diff --git a/flake.lock b/flake.lock
index 988ad6a..f4fd0db 100644
--- a/flake.lock
+++ b/flake.lock
@@ -18,6 +18,36 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nix-filter": {
+      "locked": {
+        "lastModified": 1666547822,
+        "narHash": "sha256-razwnAybPHyoAyhkKCwXdxihIqJi1G6e1XP4FQOJTEs=",
+        "owner": "numtide",
+        "repo": "nix-filter",
+        "rev": "1a3b735e13e90a8d2fd5629f2f8363bd7ffbbec7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "nix-filter",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1694532420,
@@ -33,10 +63,43 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1653936696,
+        "narHash": "sha256-M6bJShji9AIDZ7Kh7CPwPBPb/T7RiVev2PAcOi4fxDQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "ce6aa13369b667ac2542593170993504932eb836",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "22.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1661151577,
+        "narHash": "sha256-++S0TuJtuz9IpqP8rKktWyHZKpgdyrzDFUXVY07MTRI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "54060e816971276da05970a983487a25810c38a7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "zicross": "zicross"
       }
     },
     "systems": {
@@ -53,6 +116,61 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "zicross": {
+      "inputs": {
+        "nix-filter": "nix-filter",
+        "nixpkgs": "nixpkgs_2",
+        "utils": "utils",
+        "zig-binaries": "zig-binaries"
+      },
+      "locked": {
+        "lastModified": 1669413314,
+        "narHash": "sha256-OAdH2BrIFAhU1twWx5C8pUi2cTC8IQmB+6zqZLDW+uk=",
+        "owner": "flyx",
+        "repo": "Zicross",
+        "rev": "b145227c4afa2343b697799d9927507d7257e1ea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "flyx",
+        "repo": "Zicross",
+        "type": "github"
+      }
+    },
+    "zig-binaries": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1669076785,
+        "narHash": "sha256-8NwdYxo+nyxpxzqPJhG8X2KN2DniceZzn+OtMuVQuRY=",
+        "owner": "mitchellh",
+        "repo": "zig-overlay",
+        "rev": "84fff3d6a669f15aadf738e7800c678fb5904246",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mitchellh",
+        "repo": "zig-overlay",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 3c3b5aa..a681270 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,15 +2,16 @@
   description = "A Nix Flake example for ANSI C using GNU Autoconf";
 
   nixConfig = {
-    bash-prompt = "\\[\\e[34;1m\\]flake.nix ~ \\[\\e[0m\\]";
+    bash-prompt = "\\[\\e[34;1m\\]hello.nix ~ \\[\\e[0m\\]";
   };
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs";
     flake-utils.url = "github:numtide/flake-utils";
+    zicross.url = "github:flyx/Zicross";
   };
 
-  outputs = { self, nixpkgs, flake-utils }:
+  outputs = { self, nixpkgs, flake-utils, zicross }:
     let
       inherit (nixpkgs) lib;
       officialRelease = false;
@@ -27,7 +28,10 @@
       forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
 
       # Nixpkgs instantiated for supported system types.
-      nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; overlays = [ self.overlay ]; });
+      nixpkgsFor = forAllSystems (system: import nixpkgs {
+        inherit system;
+        overlays = [ self.overlay ];
+      });
 
     in
       flake-utils.lib.eachDefaultSystem (system:
@@ -36,13 +40,27 @@
             inherit system;
 
             overlays = [
+              zicross.overlays.zig
+              zicross.overlays.debian
+              zicross.overlays.windows
+
               (final: prev: {
-                hello = with final; stdenv.mkDerivation rec {
-                  pname = "hello";
+                hello = with final; zigStdenv.mkDerivation rec {
                   inherit version;
+                  inherit system;
+                  pname = "hello";
                   src = self;
+                  configureFlags = [
+                    "--host ${system}"
+                  ];
                   nativeBuildInputs = [ autoreconfHook ];
+                  meta = {
+                    maintainers = [ "Symas Corporation <support@symas.com>" "Greg Burd <gburd@symas.com>" ];
+                    homepage = "https://github.com/openldap/openldap";
+                    license = licenses.openldap;
+                    mainProgram = "hello";
                   };
+                };
               })
             ];
           };
@@ -51,6 +69,17 @@
           packages = { inherit (pkgs) hello; };
           packages.default = self.packages.${system}.hello;
           packages.container = pkgs.callPackage ./container.nix { package = packages.default; };
+          #packages.win64zip = pkgs.callPackage ./win64zip.nix { package = packages.default; };
+          packages.win64zip = pkgs.packageForWindows packages.default {
+            targetSystem = "x86_64-windows";
+            appendExe = [ "hello" ];
+            deps = {
+              libcpp = {
+                tail = "libc++-14.0.3-1-any.pkg.tar.zst";
+                sha256 = "1r73zs9naislzzjn7mr3m8s6pikgg3y4mv550hg09gcsjc719kzz";
+              };
+            };
+          };
 
           apps.hello = flake-utils.lib.mkApp { drv = packages.default; };
           apps.${system}.default = apps.hello;