diff --git a/express_webpack/README.md b/express_webpack/README.md
index af1932813..f0285ce40 100644
--- a/express_webpack/README.md
+++ b/express_webpack/README.md
@@ -13,11 +13,10 @@
       ```
       docker cp "$(docker-compose ps -q onesignal-web-sdk-dev)":sdk/express_webpack/certs/dev-ssl.crt .
       ```
-   - If you're running the container in a VM, get the cert file onto the VM's host (e.g: use `scp`)
-   - add cert to keychain (mac OSX):
-      ```
-      sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain dev-ssl.crt
-      ```
+      - If you're running the container in a VM, get the cert file onto the VM's host (e.g: use `scp`)
+   - Add cert to system's trusted store
+        - macOS: `sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain dev-ssl.crt`
+        - Windows: `Import-Certificate -FilePath dev-ssl.crt -CertStoreLocation cert:\CurrentUser\Root`
 3. Make sure the common name (e.g: localhost, texas, oregon, etc...) maps to the correct IP in your `/etc/hosts` file
 4. Visit [https://localhost:4001?app_id=](https://localhost:4001?app_id=) and insert your app id as a URL query parameter
 
@@ -127,4 +126,4 @@ If you get the error `Node Sass could not find a binding for your current enviro
 npm rebuild node-sass
 ```
 
-from *inside* the docker container shell.
\ No newline at end of file
+from *inside* the docker container shell.
diff --git a/express_webpack/certs/gen-cert.sh b/express_webpack/certs/gen-cert.sh
index 789b86a6d..31321500b 100755
--- a/express_webpack/certs/gen-cert.sh
+++ b/express_webpack/certs/gen-cert.sh
@@ -5,9 +5,10 @@ if test -f "$FILE"; then
 else
   echo "express_webpack:\n------ generating new SSL certs ------"
   echo "copy dev-ssl.crt from container to host with:\n>   docker cp <containerId>:sdk/express_webpack/certs/dev-ssl.crt ."
-  echo "add cert to keychain (MacOSX):\n>   sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain ~/dev-ssl.crt\n"
+  echo "macOS - add cert to keychain:\n>   sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain ~/dev-ssl.crt\n"
+  echo "Windows - add cert to cert store:\n> Import-Certificate -FilePath dev-ssl.crt -CertStoreLocation cert:\CurrentUser\Root"
   echo "restart browser\n--------------------------------------"
-  
+
   # generate cert/key based on conf file
   # defaults to use Common Name: texas
   openssl req -config ./certs/ssl-cert-gen.conf -subj '/C=US/CN=texas' -new -x509 -newkey rsa:2048 -nodes -keyout certs/dev-ssl.key -days 365 -out certs/dev-ssl.crt