Modified the solution to be able to create as 32-bit install that works on 64bit windows 10.

AstroMath.UnitTests/AstroMath.UnitTests.csproj

@@ -34,6 +34,24 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\x86\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+    <OutputPath>bin\x86\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
       <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>

Meade.net.Setup/Config.wxi

@@ -30,17 +30,17 @@
   <!-- End of User Configuration - do not edit anything beyond this point -->
 
   <!-- Define platform-specific names and locations -->
-  <?if $(var.Platform) = x64 ?>
+<!--  <?if $(var.Platform) = x64 ?>
   <?define ProductName = "$(var.InstallName) (x64)" ?>
   <?define Win64 = "yes" ?>
   <?define PlatformProgramFilesFolder = "ProgramFiles64Folder" ?>
   <?define PlatformCommonFilesFolder = "CommonFiles64Folder" ?>
-  <?else ?>
+  <?else ?>-->
   <?define ProductName = "$(var.InstallName) (x86)" ?>
   <?define Win64 = "no" ?>
   <?define PlatformProgramFilesFolder = "ProgramFilesFolder" ?>
   <?define PlatformCommonFilesFolder = "CommonFilesFolder" ?>
-  <?endif ?>
+<!--  <?endif ?> -->
 
   <!-- Set installer version based on the file version of the main assembly. -->
   <!--<?define ProductVersion="!(bind.FileVersion.filLocalServerAssembly)"?>-->

Meade.net.Setup/Product.wxs

@@ -25,13 +25,13 @@
       <![CDATA[Installed or WIX_IS_NETFRAMEWORK_471_OR_LATER_INSTALLED]]>
     </Condition>-->
 
-    <Condition Message="Please use the correct installer for your operating system - x86 for 32-bit, x64 for 64-bit.">
+   <!-- <Condition Message="Please use the correct installer for your operating system - x86 for 32-bit, x64 for 64-bit.">
       <?if $(var.Win64) = "yes" ?>
       VersionNT64
       <?else?>
       NOT VersionNT64
       <?endif?>
-    </Condition>
+    </Condition> -->
 
     
     <UIRef Id="InstallationUI"/>

Meade.net.Telescope/Meade.net.Telescope.csproj

@@ -60,6 +60,9 @@
     <RegisterForComInterop>false</RegisterForComInterop>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+    <OutputPath>..\bin\Release\</OutputPath>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />

Meade.net.focuser/Meade.net.focuser.csproj

@@ -60,6 +60,25 @@
     <RegisterForComInterop>false</RegisterForComInterop>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\x86\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <RegisterForComInterop>true</RegisterForComInterop>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+    <OutputPath>..\bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />

Meade.net.sln

@@ -41,8 +41,8 @@ Global
 		{3689A2CB-94C5-4012-A5CF-7E7D1DD27143}.Release|Any CPU.Build.0 = Release|Any CPU
 		{3689A2CB-94C5-4012-A5CF-7E7D1DD27143}.Release|x64.ActiveCfg = Release|Any CPU
 		{3689A2CB-94C5-4012-A5CF-7E7D1DD27143}.Release|x64.Build.0 = Release|Any CPU
-		{3689A2CB-94C5-4012-A5CF-7E7D1DD27143}.Release|x86.ActiveCfg = Release|Any CPU
+		{3689A2CB-94C5-4012-A5CF-7E7D1DD27143}.Release|x86.ActiveCfg = Release|x86
-		{3689A2CB-94C5-4012-A5CF-7E7D1DD27143}.Release|x86.Build.0 = Release|Any CPU
+		{3689A2CB-94C5-4012-A5CF-7E7D1DD27143}.Release|x86.Build.0 = Release|x86
 		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Debug|x64.ActiveCfg = Debug|Any CPU
@@ -53,8 +53,8 @@ Global
 		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Release|Any CPU.Build.0 = Release|Any CPU
 		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Release|x64.ActiveCfg = Release|Any CPU
 		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Release|x64.Build.0 = Release|Any CPU
-		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Release|x86.ActiveCfg = Release|Any CPU
+		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Release|x86.ActiveCfg = Release|x86
-		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Release|x86.Build.0 = Release|Any CPU
+		{64308775-BD4A-469C-BCAB-3ED830B811AF}.Release|x86.Build.0 = Release|x86
 		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Debug|x64.ActiveCfg = Debug|Any CPU
@@ -65,8 +65,8 @@ Global
 		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Release|Any CPU.Build.0 = Release|Any CPU
 		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Release|x64.ActiveCfg = Release|Any CPU
 		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Release|x64.Build.0 = Release|Any CPU
-		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Release|x86.ActiveCfg = Release|Any CPU
+		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Release|x86.ActiveCfg = Release|x86
-		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Release|x86.Build.0 = Release|Any CPU
+		{A97E3AEC-F11D-49DA-B259-DE99DA813A86}.Release|x86.Build.0 = Release|x86
 		{D5207217-61C7-4E94-8097-91DBACE57D2A}.Debug|Any CPU.ActiveCfg = Debug|x86
 		{D5207217-61C7-4E94-8097-91DBACE57D2A}.Debug|x64.ActiveCfg = Debug|x86
 		{D5207217-61C7-4E94-8097-91DBACE57D2A}.Debug|x86.ActiveCfg = Debug|x86
@@ -93,8 +93,8 @@ Global
 		{AD4959DD-33D7-4C3F-8DB0-7361D8E74A95}.Release|Any CPU.Build.0 = Release|Any CPU
 		{AD4959DD-33D7-4C3F-8DB0-7361D8E74A95}.Release|x64.ActiveCfg = Release|Any CPU
 		{AD4959DD-33D7-4C3F-8DB0-7361D8E74A95}.Release|x64.Build.0 = Release|Any CPU
-		{AD4959DD-33D7-4C3F-8DB0-7361D8E74A95}.Release|x86.ActiveCfg = Release|Any CPU
+		{AD4959DD-33D7-4C3F-8DB0-7361D8E74A95}.Release|x86.ActiveCfg = Release|x86
-		{AD4959DD-33D7-4C3F-8DB0-7361D8E74A95}.Release|x86.Build.0 = Release|Any CPU
+		{AD4959DD-33D7-4C3F-8DB0-7361D8E74A95}.Release|x86.Build.0 = Release|x86
 		{8EEB5C25-8394-4257-8E57-CDED47CB6F1B}.Debug|Any CPU.ActiveCfg = Debug|x64
 		{8EEB5C25-8394-4257-8E57-CDED47CB6F1B}.Debug|Any CPU.Build.0 = Debug|x64
 		{8EEB5C25-8394-4257-8E57-CDED47CB6F1B}.Debug|x64.ActiveCfg = Debug|x64

Meade.net/Meade.net.csproj

@@ -63,6 +63,25 @@
   <PropertyGroup>
     <ApplicationIcon>ASCOM.ico</ApplicationIcon>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\x86\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+    <OutputPath>..\bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />