diff --git a/build_windows_10.sh b/build_windows_10.sh
index 56541553..20f25bc9 100755
--- a/build_windows_10.sh
+++ b/build_windows_10.sh
@@ -1,6 +1,3 @@
 #!/bin/bash
-mkdir -p ./tmp/10/
-echo "Inserting license ..."
-sed -e "s/\<ProductKey\>/\<ProductKey\>\<Key\>$(pass windows_7_prof_license)\<\/Key\>/" ./answer_files/10/Autounattend.xml > ./tmp/10/Autounattend.xml
-diff ./answer_files/10/Autounattend.xml ./tmp/10/Autounattend.xml
-packer build --only=vmware-iso --var autounattend=./tmp/10/Autounattend.xml windows_10.json
+#packer build --only=vmware-iso --var iso_url=~/packer_cache/Win10_1511_English_x64.iso --var iso_checksum=875ec108288b9f581e5d8099cf0edb79f0f3e483 --var autounattend=./tmp/10/Autounattend.xml --var product_key=$(pass windows_7_prof_license) windows_10.json
+packer build --only=vmware-iso --var iso_url=~/packer_cache/Win10_1511_English_x64.iso --var iso_checksum=875ec108288b9f581e5d8099cf0edb79f0f3e483 --var autounattend=./tmp/10/Autounattend.xml windows_10.json
diff --git a/windows_10.json b/windows_10.json
index e762758e..8d42e9ac 100644
--- a/windows_10.json
+++ b/windows_10.json
@@ -7,7 +7,8 @@
       "iso_checksum_type": "{{user `iso_checksum_type`}}",
       "iso_checksum": "{{user `iso_checksum`}}",
       "headless": false,
-      "boot_wait": "2m",
+      "boot_wait": "6m",
+      "boot_command": "{{user `product_key`}}<enter>",
       "winrm_username": "vagrant",
       "winrm_password": "vagrant",
       "winrm_timeout": "2h",
@@ -39,7 +40,8 @@
       "iso_checksum_type": "{{user `iso_checksum_type`}}",
       "iso_checksum": "{{user `iso_checksum`}}",
       "headless": false,
-      "boot_wait": "2m",
+      "boot_wait": "6m",
+      "boot_command": "<tab>{{user `product_key`}}<enter>",
       "winrm_username": "vagrant",
       "winrm_password": "vagrant",
       "winrm_timeout": "2h",
@@ -100,6 +102,7 @@
     "iso_url": "http://iso.esd.microsoft.com/W10IP/BF15E0F8F8F6B6BFCD0F62892BFBA60756371D21/Windows10_InsiderPreview_x64_EN-US_10565.iso",
     "iso_checksum_type": "sha1",
     "iso_checksum": "EA37A740FD0744CAE856D1B12FB4167F6EE88B54",
-    "autounattend": "./answer_files/10/Autounattend.xml"
+    "autounattend": "./answer_files/10/Autounattend.xml",
+    "product_key": "<tab><tab>"
   }
 }