diff --git a/ext/installfiles/windows/ZeroTier One.aip b/ext/installfiles/windows/ZeroTier One.aip
index a82263e20..0e7907bc3 100644
--- a/ext/installfiles/windows/ZeroTier One.aip	
+++ b/ext/installfiles/windows/ZeroTier One.aip	
@@ -27,10 +27,10 @@
     <ROW Property="CTRLS" Value="2"/>
     <ROW Property="MSIFASTINSTALL" MultiBuildValue="DefaultBuild:2"/>
     <ROW Property="Manufacturer" Value="ZeroTier, Inc."/>
-    <ROW Property="ProductCode" Value="1033:{B87100D2-6023-447A-A6D0-23A35A0C58F8} " Type="16"/>
+    <ROW Property="ProductCode" Value="1033:{CE741930-45A5-4BB9-BBDF-864819DCD8A4} " Type="16"/>
     <ROW Property="ProductLanguage" Value="1033"/>
     <ROW Property="ProductName" Value="ZeroTier One"/>
-    <ROW Property="ProductVersion" Value="1.4.0" Type="32"/>
+    <ROW Property="ProductVersion" Value="1.2.99" Type="32"/>
     <ROW Property="REBOOT" MultiBuildValue="DefaultBuild:ReallySuppress"/>
     <ROW Property="RUNAPPLICATION" Value="1" Type="4"/>
     <ROW Property="SecureCustomProperties" Value="OLDPRODUCTS;AI_NEWERPRODUCTFOUND;AI_SETUPEXEPATH;SETUPEXEDIR"/>
@@ -64,7 +64,7 @@
     <ROW Directory="x86_Dir" Directory_Parent="tapwindows_Dir" DefaultDir="x86"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiCompsComponent">
-    <ROW Component="AI_CustomARPName" ComponentId="{9120F1FC-96D1-4099-8ABC-92A469A85B7E}" Directory_="APPDIR" Attributes="4" KeyPath="DisplayName" Options="1"/>
+    <ROW Component="AI_CustomARPName" ComponentId="{6CAB31CD-CEDA-4B74-A52D-3D35D4A426D8}" Directory_="APPDIR" Attributes="4" KeyPath="DisplayName" Options="1"/>
     <ROW Component="AI_DisableModify" ComponentId="{020DCABD-5D56-49B9-AF48-F07F0B55E590}" Directory_="APPDIR" Attributes="4" KeyPath="NoModify" Options="1"/>
     <ROW Component="AI_ExePath" ComponentId="{8E02B36C-7A19-429B-A93E-77A9261AC918}" Directory_="APPDIR" Attributes="4" KeyPath="AI_ExePath"/>
     <ROW Component="Hardcodet.Wpf.TaskbarNotification.dll" ComponentId="{BEA825AF-2555-44AF-BE40-47FFC16DCBA6}" Directory_="APPDIR" Attributes="0" KeyPath="Hardcodet.Wpf.TaskbarNotification.dll"/>
@@ -82,7 +82,7 @@
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiFeatsComponent">
     <ROW Feature="ZeroTierOne" Title="MainFeature" Description="ZeroTier One" Display="1" Level="1" Directory_="APPDIR" Attributes="0" Components="AI_CustomARPName AI_DisableModify AI_ExePath Hardcodet.Wpf.TaskbarNotification.dll Newtonsoft.Json.dll ProductInformation ZeroTierOne.exe copyutil.exe networks.d regid.201001.com.zerotier segoeui.ttf zerotierone_x64.exe zerotierone_x86.exe zttap300.cat_1"/>
-    <ROW Feature="zttap300" Feature_Parent="ZeroTierOne" Title="zttap300" Description="ZeroTier Virtual Network Port Driver" Display="1" Level="1" Directory_="APPDIR" Attributes="16" Components="AI_CustomARPName AI_DisableModify AI_ExePath zttap300.inf"/>
+    <ROW Feature="zttap300" Feature_Parent="ZeroTierOne" Title="zttap300" Description="ZeroTier Virtual Network Port Driver" Display="1" Level="1" Directory_="APPDIR" Attributes="16" Components="zttap300.inf"/>
     <ATTRIBUTE name="CurrentFeature" value="ZeroTierOne"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiFilesComponent">
@@ -454,10 +454,10 @@
     <ROW XmlAttribute="xsischemaLocation" XmlElement="swidsoftware_identification_tag" Name="xsi:schemaLocation" Flags="14" Order="3" Value="http://standards.iso.org/iso/19770/-2/2008/schema.xsd software_identification_tag.xsd"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.XmlElementComponent">
-    <ROW XmlElement="swidbuild" ParentElement="swidnumeric" Name="swid:build" Condition="1" Order="2" Flags="14" Text="0"/>
+    <ROW XmlElement="swidbuild" ParentElement="swidnumeric" Name="swid:build" Condition="1" Order="2" Flags="14" Text="99"/>
     <ROW XmlElement="swidentitlement_required_indicator" ParentElement="swidsoftware_identification_tag" Name="swid:entitlement_required_indicator" Condition="1" Order="0" Flags="14" Text="false"/>
     <ROW XmlElement="swidmajor" ParentElement="swidnumeric" Name="swid:major" Condition="1" Order="0" Flags="14" Text="1"/>
-    <ROW XmlElement="swidminor" ParentElement="swidnumeric" Name="swid:minor" Condition="1" Order="1" Flags="14" Text="4"/>
+    <ROW XmlElement="swidminor" ParentElement="swidnumeric" Name="swid:minor" Condition="1" Order="1" Flags="14" Text="2"/>
     <ROW XmlElement="swidname" ParentElement="swidproduct_version" Name="swid:name" Condition="1" Order="0" Flags="14" Text="[ProductVersion]"/>
     <ROW XmlElement="swidname_1" ParentElement="swidsoftware_creator" Name="swid:name" Condition="1" Order="0" Flags="14" Text="ZeroTier, Inc."/>
     <ROW XmlElement="swidname_2" ParentElement="swidsoftware_licensor" Name="swid:name" Condition="1" Order="0" Flags="14" Text="ZeroTier, Inc."/>
diff --git a/version.h b/version.h
index 820138198..699def7a7 100644
--- a/version.h
+++ b/version.h
@@ -35,12 +35,12 @@
 /**
  * Minor version
  */
-#define ZEROTIER_ONE_VERSION_MINOR 4
+#define ZEROTIER_ONE_VERSION_MINOR 2
 
 /**
  * Revision
  */
-#define ZEROTIER_ONE_VERSION_REVISION 0
+#define ZEROTIER_ONE_VERSION_REVISION 99
 
 /**
  * Build version
diff --git a/windows/WinUI/AboutView.xaml b/windows/WinUI/AboutView.xaml
index 118a61b1e..8d715fd27 100644
--- a/windows/WinUI/AboutView.xaml
+++ b/windows/WinUI/AboutView.xaml
@@ -19,9 +19,9 @@
                     <Run Text="ZeroTier One"/>
                 </Paragraph>
                 <Paragraph TextAlignment="Center">
-                    <Run FontSize="14" Text="Version 1.2.12"/>
+                    <Run FontSize="14" Text="Version 1.2.99 (1.4.0pre)"/>
                     <LineBreak/>
-                    <Run FontSize="14" Text="(c) 2011-2018 ZeroTier, Inc."/>
+                    <Run FontSize="14" Text="(c) 2011-2019 ZeroTier, Inc."/>
                     <LineBreak/>
                     <Run FontSize="14" Text="www.zerotier.com"/>
                 </Paragraph>