diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index e443ebb8..00000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-environment:
-
-  matrix:
-
-    # https://www.appveyor.com/docs/build-environment/#python
-
-    - PYTHON: "C:\\Python39-x64"
-    - PYTHON: "C:\\Python310-x64"
-    - PYTHON: "C:\\Python311-x64"
-    - PYTHON: "C:\\Python312-x64"
-    - PYTHON: "C:\\Python313-x64"
-
-install:
-  - "%PYTHON%\\python.exe --version"
-  - "%PYTHON%\\python.exe -m pip install ."
-
-build: off
-
-test_script:
-  - "%PYTHON%\\python.exe -m unittest discover"
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 093ce5cb..e1107d3f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,6 +2,7 @@ version: 2.1
 
 orbs:
   ocean: dwave/ocean@1
+  windows: circleci/windows@5.0
 
 environment:
   PIP_PROGRESS_BAR: 'off'
@@ -60,6 +61,31 @@ jobs:
 
       - ocean/coverage-run-unittest
 
+  test-windows:
+    parameters:
+      python-version:
+        type: string
+
+    executor:
+      name: windows/default
+
+    steps:
+      - checkout
+
+      - ocean/nuget-install-python:
+          python-version: << parameters.python-version >>
+          cache: true
+
+      - ocean/pip-install:
+          requirements: tests/requirements.txt
+          cache: false
+
+      - ocean/pip-install:
+          packages: .
+          cache: false
+
+      - ocean/coverage-run-unittest
+
   test-individual-pkgs:
     docker:
       - image: python:3.12
@@ -206,11 +232,16 @@ workflows:
       - test-linux:
           matrix:
             parameters:
-              python-version: &python-versions ["3.9.19", "3.10.14", "3.11.9", "3.12.3", "3.13.0"]
+              python-version: &python-versions ["3.9.21", "3.10.16", "3.11.11", "3.12.8", "3.13.1"]
       - test-macos:
           matrix:
             parameters:
               python-version: *python-versions
+      - test-windows:
+          matrix:
+            parameters:
+              # note: limit to versions available via nuget
+              python-version: &python-versions-windows ["3.9.13", "3.10.11", "3.11.9", "3.12.8", "3.13.1"]
       # - test-individual-pkgs
       - test-doctest
 
@@ -235,4 +266,8 @@ workflows:
           matrix:
             parameters:
               python-version: *python-versions
+      - test-windows:
+          matrix:
+            parameters:
+              python-version: *python-versions-windows
       - test-doctest
diff --git a/README.rst b/README.rst
index c898325f..ebdda638 100644
--- a/README.rst
+++ b/README.rst
@@ -9,9 +9,6 @@
 .. image:: https://readthedocs.com/projects/d-wave-systems-dwave-ocean-sdk/badge
     :target: https://docs.ocean.dwavesys.com
 
-.. image:: https://ci.appveyor.com/api/projects/status/c8ofdgyiy4w38lu3?svg=true
-    :target: https://ci.appveyor.com/project/dwave-adtt/dwave-ocean-sdk
-
 .. image:: https://circleci.com/gh/dwavesystems/dwave-ocean-sdk.svg?style=svg
     :target: https://circleci.com/gh/dwavesystems/dwave-ocean-sdk