add windows installer
diff --git a/site/src/site/sitemap-dev.groovy b/site/src/site/sitemap-dev.groovy
index 7641fad..e8b4319 100644
--- a/site/src/site/sitemap-dev.groovy
+++ b/site/src/site/sitemap-dev.groovy
@@ -81,13 +81,13 @@
         }
         version('3.0.0-rc-1') {
             stable false
-//            windowsInstaller 'https://dl.bintray.com/groovy/Distributions/groovy-3.0.0-rc-1-installer.exe'
+            windowsInstaller 'https://dl.bintray.com/groovy/Distributions/groovy-3.0.0-rc-1-installer.exe'
         }
-        version('3.0.0-beta-3') {
-            stable false
-            archive true
-            windowsInstaller 'https://dl.bintray.com/groovy/Distributions/groovy-3.0.0-beta-3-installer.exe'
-        }
+//        version('3.0.0-beta-3') {
+//            stable false
+//            archive true
+//            windowsInstaller 'https://dl.bintray.com/groovy/Distributions/groovy-3.0.0-beta-3-installer.exe'
+//        }
     }
     distribution('Groovy 2.6') {
         description {