diff --git a/.azure-pipelines/azure-pipelines-win.yml b/.azure-pipelines/azure-pipelines-win.yml
index c8dc849a1..c29c8067f 100755
--- a/.azure-pipelines/azure-pipelines-win.yml
+++ b/.azure-pipelines/azure-pipelines-win.yml
@@ -16,6 +16,14 @@ jobs:
         CONFIG: win_64_freethreadingyes
         UPLOAD_PACKAGES: 'True'
         SHORT_CONFIG: win_64_freethreadingyes
+      win_arm64_freethreadingno:
+        CONFIG: win_arm64_freethreadingno
+        UPLOAD_PACKAGES: 'True'
+        SHORT_CONFIG: win_arm64_freethreadingno
+      win_arm64_freethreadingyes:
+        CONFIG: win_arm64_freethreadingyes
+        UPLOAD_PACKAGES: 'True'
+        SHORT_CONFIG: win_arm64_freethreadingyes
   timeoutInMinutes: 360
   variables:
     CONDA_BLD_PATH: D:\\bld\\
diff --git a/.ci_support/win_arm64_freethreadingno.yaml b/.ci_support/win_arm64_freethreadingno.yaml
new file mode 100644
index 000000000..d28d274ce
--- /dev/null
+++ b/.ci_support/win_arm64_freethreadingno.yaml
@@ -0,0 +1,41 @@
+build_type:
+- release
+bzip2:
+- '1'
+c_compiler:
+- vs2022
+c_stdlib:
+- vs
+channel_sources:
+- conda-forge/label/python_rc,conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- vs2022
+expat:
+- '2'
+freethreading:
+- 'no'
+libffi:
+- '3.5'
+liblzma_devel:
+- '5'
+libsqlite:
+- '3'
+openssl:
+- '3.5'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- '3.13'
+target_platform:
+- win-arm64
+tk:
+- '8.6'
+zip_keys:
+- - build_type
+  - channel_targets
+zlib:
+- '1'
diff --git a/.ci_support/win_arm64_freethreadingyes.yaml b/.ci_support/win_arm64_freethreadingyes.yaml
new file mode 100644
index 000000000..5307b2b50
--- /dev/null
+++ b/.ci_support/win_arm64_freethreadingyes.yaml
@@ -0,0 +1,41 @@
+build_type:
+- release
+bzip2:
+- '1'
+c_compiler:
+- vs2022
+c_stdlib:
+- vs
+channel_sources:
+- conda-forge/label/python_rc,conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- vs2022
+expat:
+- '2'
+freethreading:
+- 'yes'
+libffi:
+- '3.5'
+liblzma_devel:
+- '5'
+libsqlite:
+- '3'
+openssl:
+- '3.5'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- '3.13'
+target_platform:
+- win-arm64
+tk:
+- '8.6'
+zip_keys:
+- - build_type
+  - channel_targets
+zlib:
+- '1'
diff --git a/.scripts/run_osx_build.sh b/.scripts/run_osx_build.sh
index 361edeb2c..bac7141a9 100755
--- a/.scripts/run_osx_build.sh
+++ b/.scripts/run_osx_build.sh
@@ -63,6 +63,25 @@ if [[ "${sha:-}" == "" ]]; then
   sha=$(git rev-parse HEAD)
 fi
 
+if [[ "${OSX_SDK_DIR:-}" == "" ]]; then
+  if [[ "${CI:-}" == "" ]]; then
+    echo "Please set OSX_SDK_DIR to a directory where SDKs can be downloaded to. Aborting"
+    exit 1
+  else
+    export OSX_SDK_DIR=/opt/conda-sdks
+    /usr/bin/sudo mkdir -p "${OSX_SDK_DIR}"
+    /usr/bin/sudo chown "${USER}" "${OSX_SDK_DIR}"
+  fi
+else
+  if tmpf=$(mktemp -p "$OSX_SDK_DIR" tmp.XXXXXXXX 2>/dev/null); then
+      rm -f "$tmpf"
+      echo "OSX_SDK_DIR is writeable without sudo, continuing"
+  else
+      echo "User-provided OSX_SDK_DIR is not writeable for current user! Aborting"
+      exit 1
+  fi
+fi
+
 echo -e "\n\nRunning the build setup script."
 source run_conda_forge_build_setup
 
diff --git a/README.md b/README.md
index 78eed68b8..84b4babd1 100644
--- a/README.md
+++ b/README.md
@@ -212,6 +212,20 @@ Current build status
                   <img src="https://dev.azure.com/conda-forge/feedstock-builds/_apis/build/status/python-feedstock?branchName=main&jobName=win&configuration=win%20win_64_freethreadingyes" alt="variant">
                 </a>
               </td>
+            </tr><tr>
+              <td>win_arm64_freethreadingno</td>
+              <td>
+                <a href="https://dev.azure.com/conda-forge/feedstock-builds/_build/latest?definitionId=4155&branchName=main">
+                  <img src="https://dev.azure.com/conda-forge/feedstock-builds/_apis/build/status/python-feedstock?branchName=main&jobName=win&configuration=win%20win_arm64_freethreadingno" alt="variant">
+                </a>
+              </td>
+            </tr><tr>
+              <td>win_arm64_freethreadingyes</td>
+              <td>
+                <a href="https://dev.azure.com/conda-forge/feedstock-builds/_build/latest?definitionId=4155&branchName=main">
+                  <img src="https://dev.azure.com/conda-forge/feedstock-builds/_apis/build/status/python-feedstock?branchName=main&jobName=win&configuration=win%20win_arm64_freethreadingyes" alt="variant">
+                </a>
+              </td>
             </tr>
           </tbody>
         </table>
diff --git a/conda-forge.yml b/conda-forge.yml
index 3bdeb3233..a02a12a3b 100644
--- a/conda-forge.yml
+++ b/conda-forge.yml
@@ -11,6 +11,7 @@ build_platform:
   linux_aarch64: linux_64
   linux_ppc64le: linux_64
   osx_arm64: osx_64
+  win_arm64: win_64
 conda_build:
   pkg_format: '2'
 conda_forge_output_validation: true
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index ea1b1eea0..07defb9bd 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -83,6 +83,8 @@ build:
 
 requirements:
   build:
+    - python                                 # [build_platform != target_platform]
+    - cross-python_{{ target_platform }}     # [build_platform != target_platform]
     - patch  # [not win]
     - m2-patch  # [win]
     - m2-gcc-libs  # [win]