diff --git a/src/Microsoft.OpenApi.Workbench/Microsoft.OpenApi.Workbench.csproj b/src/Microsoft.OpenApi.Workbench/Microsoft.OpenApi.Workbench.csproj
index 1e0f12603..70c120ca0 100644
--- a/src/Microsoft.OpenApi.Workbench/Microsoft.OpenApi.Workbench.csproj
+++ b/src/Microsoft.OpenApi.Workbench/Microsoft.OpenApi.Workbench.csproj
@@ -5,6 +5,7 @@
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <UseWPF>true</UseWPF>
     <ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
+    <EnableWindowsTargeting>true</EnableWindowsTargeting>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.DotNet.UpgradeAssistant.Extensions.Default.Analyzers" Version="0.4.421302">
diff --git a/test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiFilterServiceTests.cs b/test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiFilterServiceTests.cs
index 3733ad848..3c039b9aa 100644
--- a/test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiFilterServiceTests.cs
+++ b/test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiFilterServiceTests.cs
@@ -51,7 +51,7 @@ public void ReturnFilteredOpenApiDocumentBasedOnOperationIdsAndTags(string opera
         public void ReturnFilteredOpenApiDocumentBasedOnPostmanCollection()
         {
             // Arrange
-            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\postmanCollection_ver2.json");
+            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles", "postmanCollection_ver2.json");
             var fileInput = new FileInfo(filePath);
             var stream = fileInput.OpenRead();
 
@@ -107,7 +107,7 @@ public void TestPredicateFiltersUsingRelativeRequestUrls()
         public void ShouldParseNestedPostmanCollection()
         {
             // Arrange
-            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\postmanCollection_ver3.json");
+            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles", "postmanCollection_ver3.json");
             var fileInput = new FileInfo(filePath);
             var stream = fileInput.OpenRead();
 
@@ -124,7 +124,7 @@ public void ShouldParseNestedPostmanCollection()
         public void ThrowsExceptionWhenUrlsInCollectionAreMissingFromSourceDocument()
         {
             // Arrange
-            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\postmanCollection_ver1.json");
+            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles", "postmanCollection_ver1.json");
             var fileInput = new FileInfo(filePath);
             var stream = fileInput.OpenRead();
 
@@ -141,7 +141,7 @@ public void ThrowsExceptionWhenUrlsInCollectionAreMissingFromSourceDocument()
         public void ContinueProcessingWhenUrlsInCollectionAreMissingFromSourceDocument()
         {
             // Arrange
-            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\postmanCollection_ver4.json");
+            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles", "postmanCollection_ver4.json");
             var fileInput = new FileInfo(filePath);
             var stream = fileInput.OpenRead();
 
diff --git a/test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiServiceTests.cs b/test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiServiceTests.cs
index c092da510..49f1bbd96 100644
--- a/test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiServiceTests.cs
+++ b/test/Microsoft.OpenApi.Hidi.Tests/Services/OpenApiServiceTests.cs
@@ -30,7 +30,7 @@ public OpenApiServiceTests()
         public async Task ReturnConvertedCSDLFile()
         {
             // Arrange
-            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\Todo.xml");
+            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles", "Todo.xml");
             var fileInput = new FileInfo(filePath);
             var csdlStream = fileInput.OpenRead();
             // Act
@@ -50,7 +50,7 @@ public async Task ReturnConvertedCSDLFile()
         public async Task ReturnFilteredOpenApiDocBasedOnOperationIdsAndInputCsdlDocument(string operationIds, string tags, int expectedPathCount)
         {
             // Arrange
-            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\Todo.xml");
+            var filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles", "Todo.xml");
             var fileInput = new FileInfo(filePath);
             var csdlStream = fileInput.OpenRead();
 
@@ -137,7 +137,7 @@ public async Task ShowCommandGeneratesMermaidMarkdownFileWithMermaidDiagram()
             // create a dummy ILogger instance for testing
             var options = new HidiOptions()
             {
-                OpenApi = "UtilityFiles\\SampleOpenApi.yml",
+                OpenApi = Path.Combine("UtilityFiles", "SampleOpenApi.yml"),
                 Output = new FileInfo("sample.md")
             };
 
@@ -152,7 +152,7 @@ public async Task ShowCommandGeneratesMermaidHtmlFileWithMermaidDiagram()
         {
             var options = new HidiOptions()
             {
-                OpenApi = "UtilityFiles\\SampleOpenApi.yml"
+                OpenApi = Path.Combine("UtilityFiles", "SampleOpenApi.yml")
             };
             var filePath = await OpenApiService.ShowOpenApiDocument(options, _logger, new CancellationToken());
             Assert.True(File.Exists(filePath));
@@ -163,7 +163,7 @@ public async Task ShowCommandGeneratesMermaidMarkdownFileFromCsdlWithMermaidDiag
         {
             var options = new HidiOptions()
             {
-                Csdl = "UtilityFiles\\Todo.xml",
+                Csdl = Path.Combine("UtilityFiles", "Todo.xml"),
                 CsdlFilter = "todos",
                 Output = new FileInfo("sample.md")
             };
@@ -201,7 +201,7 @@ await Assert.ThrowsAsync<InvalidOperationException>(async () =>
         public async Task ValidateCommandProcessesOpenApi()
         {
             // create a dummy ILogger instance for testing
-            await OpenApiService.ValidateOpenApiDocument("UtilityFiles\\SampleOpenApi.yml", _logger, new CancellationToken());
+            await OpenApiService.ValidateOpenApiDocument(Path.Combine("UtilityFiles", "SampleOpenApi.yml"), _logger, new CancellationToken());
 
             Assert.True(true);
         }
@@ -212,7 +212,7 @@ public async Task TransformCommandConvertsOpenApi()
         {
             HidiOptions options = new HidiOptions
             {
-                OpenApi = "UtilityFiles\\SampleOpenApi.yml",
+                OpenApi = Path.Combine("UtilityFiles", "SampleOpenApi.yml"),
                 Output = new FileInfo("sample.json"),
                 CleanOutput = true,
                 TerseOutput = false,
@@ -232,7 +232,7 @@ public async Task TransformCommandConvertsOpenApiWithDefaultOutputname()
         {
             HidiOptions options = new HidiOptions
             {
-                OpenApi = "UtilityFiles\\SampleOpenApi.yml",
+                OpenApi = Path.Combine("UtilityFiles", "SampleOpenApi.yml"),
                 CleanOutput = true,
                 TerseOutput = false,
                 InlineLocal = false,
@@ -250,7 +250,7 @@ public async Task TransformCommandConvertsCsdlWithDefaultOutputname()
         {
             HidiOptions options = new HidiOptions
             {
-                Csdl = "UtilityFiles\\Todo.xml",
+                Csdl = Path.Combine("UtilityFiles", "Todo.xml"),
                 CleanOutput = true,
                 TerseOutput = false,
                 InlineLocal = false,
@@ -268,7 +268,7 @@ public async Task TransformCommandConvertsOpenApiWithDefaultOutputnameAndSwitchF
         {
             HidiOptions options = new HidiOptions
             {
-                OpenApi = "UtilityFiles\\SampleOpenApi.yml",
+                OpenApi = Path.Combine("UtilityFiles", "SampleOpenApi.yml"),
                 CleanOutput = true,
                 Version = "3.0",
                 OpenApiFormat = OpenApiFormat.Yaml,
@@ -301,10 +301,10 @@ await Assert.ThrowsAsync<ArgumentException>(async () =>
         [Fact]
         public async Task TransformToPowerShellCompliantOpenApi()
         {
-            var settingsPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\examplepowershellsettings.json");
+            var settingsPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles", "examplepowershellsettings.json");
             HidiOptions options = new HidiOptions
             {
-                OpenApi = "UtilityFiles\\SampleOpenApi.yml",
+                OpenApi = Path.Combine("UtilityFiles", "SampleOpenApi.yml"),
                 CleanOutput = true,
                 Version = "3.0",
                 OpenApiFormat = OpenApiFormat.Yaml,
@@ -324,7 +324,8 @@ public async Task TransformToPowerShellCompliantOpenApi()
         public void InvokeTransformCommand()
         {
             var rootCommand = Program.CreateRootCommand();
-            var args = new string[] { "transform", "-d", ".\\UtilityFiles\\SampleOpenApi.yml", "-o", "sample.json", "--co" };
+            var openapi = Path.Combine(".", "UtilityFiles", "SampleOpenApi.yml");
+            var args = new string[] { "transform", "-d", openapi, "-o", "sample.json", "--co" };
             var parseResult = rootCommand.Parse(args);
             var handler = rootCommand.Subcommands.Where(c => c.Name == "transform").First().Handler;
             var context = new InvocationContext(parseResult);
@@ -340,7 +341,8 @@ public void InvokeTransformCommand()
         public void InvokeShowCommand()
         {
             var rootCommand = Program.CreateRootCommand();
-            var args = new string[] { "show", "-d", ".\\UtilityFiles\\SampleOpenApi.yml", "-o", "sample.md" };
+            var openapi = Path.Combine(".", "UtilityFiles", "SampleOpenApi.yml");
+            var args = new string[] { "show", "-d", openapi, "-o", "sample.md" };
             var parseResult = rootCommand.Parse(args);
             var handler = rootCommand.Subcommands.Where(c => c.Name == "show").First().Handler;
             var context = new InvocationContext(parseResult);
@@ -355,7 +357,8 @@ public void InvokeShowCommand()
         public void InvokePluginCommand()
         {
             var rootCommand = Program.CreateRootCommand();
-            var args = new string[] { "plugin", "-m", ".\\UtilityFiles\\exampleapimanifest.json", "--of", AppDomain.CurrentDomain.BaseDirectory };
+            var manifest = Path.Combine(".", "UtilityFiles", "exampleapimanifest.json");
+            var args = new string[] { "plugin", "-m", manifest, "--of", AppDomain.CurrentDomain.BaseDirectory };
             var parseResult = rootCommand.Parse(args);
             var handler = rootCommand.Subcommands.Where(c => c.Name == "plugin").First().Handler;
             var context = new InvocationContext(parseResult);