diff --git a/test/download-wpt.bat b/test/download-wpt.bat
new file mode 100644
index 0000000..1bae203
--- /dev/null
+++ b/test/download-wpt.bat
@@ -0,0 +1,15 @@
+@echo off
+
+REM the directory path of this file
+set p=%~dp0
+
+REM Commit hash of web-platform-tests (wpt)
+REM
+REM 1. Go to https://github.com/web-platform-tests/wpt/tree/master/url
+REM 2. Find "Latest commit" text and click link next to it.
+REM 3. Copy hash from URL
+set HASH=8553d30dd590715a63273e90da1951b8b0b37672
+
+for %%f in (setters_tests.json toascii.json urltestdata.json) do (
+  curl -o %p%\wpt\%%f https://raw.githubusercontent.com/web-platform-tests/wpt/%HASH%/url/resources/%%f
+)