diff --git a/README.md b/README.md
index 3abcd93..f71080d 100644
--- a/README.md
+++ b/README.md
@@ -16,24 +16,45 @@ dry-runner extension is a tool that allows you to compile and run C,C++, Python,
 
 ## Installation 
 1. Open VS code Extension section
-2. Search "dry-runner" from the search bar
-3. click on dry runner extension 
-3. click on install
+2. Search "dry-runner" from the search bar and install
+3. After successful installation you can customise executable path here!!
+3. Well You've done installation
 
 
 ## Usage
-1. Open a supported file in your VS Code.
-2. To run just click F5
+1. Configure path if not configure. if you don't have admin perms to your system, you can also configure path here 
+2. Open a supported file in your VS Code.
+2. To run just click F5(you can change through settings)
 3. You've Done
 
+
 ## Default Shortcut Key
 - F5 : Start
 - F5 : Restart
 - F4 : Stop and close terminal
 
+
 ## Configuration
 You can customize the behavior of the dry-runner extension by modifying the settings. To access the settings, go to the preferences menu of your code editor and search for "dry-runner".
 
+
+
+## Don't have permission to change executable(AKA environment) path?
+1. You can download portable version of the program executables (only if no executable is already exist)
+2. Then extract the portable (zip,7z,rar...)
+3. Copy the bin path of the executable
+4. Paste the path to the extension settings -> executable path (jdk,mingw,python, node, php etc.)
+5. Restart vs code!! and done!!
+
+
+
+## Portables (Be Cautious!! )
+- Mingw64 : [Mingw](https://github.com/jonasstrandstedt/MinGW)
+- JDK-17.0.1 : [JDK-22](https://www.oracle.com/java/technologies/javase/jdk22-archive-downloads.html)
+- Python : 
+- Node :  
+- PHP : 
+
 ## Contributing
 Contributions are welcome! If you find any issues or have suggestions for improvements, please open an issue or submit a pull request on the dry-runner GitHub repository.
 
diff --git a/src/extension.ts b/src/extension.ts
index 724aacf..e98b25c 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -24,8 +24,6 @@ export function activate(context: vscode.ExtensionContext) {
         if (path.includes("node")) {paths["node"] = path; }
         if (path.includes("php")) {paths["php"] = path; }
     });
-    const divider = utils.getDivider();
-    const prefix = divider === "&&"? null:"& ";
     const config = vscode.workspace.getConfiguration('dry-runner'); //package.json
     const mingwpath = config.get('mingwPath') || paths.mingw as string;
     const javapath = config.get('jdkPath') || paths.java as string;
@@ -36,6 +34,9 @@ export function activate(context: vscode.ExtensionContext) {
     let terminal: vscode.Terminal | undefined;
     
     function getCommand(document:vscode.TextDocument){
+        const divider = utils.getDivider();
+        const prefix = divider === "&&"? null:"& ";
+        
         let dir = dirname(document.fileName);
         let ext = extname(document.fileName).toString();
         let noExt = basename(document.fileName, extname(document.fileName)).replace(" ", "_")
@@ -51,7 +52,7 @@ export function activate(context: vscode.ExtensionContext) {
         let runCmd: { [key: string]: string } = {
             ".c"   : `"${binPath.c}" "${dir}\\${basename(document.fileName)}" -o "${dir}\\${noExt}" ${divider} ${dir}\\${noExt}`,
             ".cpp" : `"${binPath.cpp}" "${dir}\\${basename(document.fileName)}" -o "${dir}\\${noExt}" ${divider} "${dir}\\${noExt}"`,
-            ".java": `"cd ${dir} ${divider} ${binPath.javac}" "${basename(document.fileName)}" ${divider} "${binPath.java}" "${basename(document.fileName)}"`,
+            ".java": `cd "${dir}" ${divider} "${binPath.javac}" "${basename(document.fileName)}" ${divider} "${binPath.java}" "${basename(document.fileName).replace(".java","")}"`,
             ".py"  : `"${binPath.py}" "${dir}\\${basename(document.fileName)}"`,
             ".js"  : `"${binPath.js}" "${dir}\\${basename(document.fileName)}"`,
             ".php" : `"${binPath.php}" "${dir}\\${basename(document.fileName)}"`,
diff --git a/src/utils.ts b/src/utils.ts
index 170d5b3..3961b9b 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -4,12 +4,12 @@ import * as vscode from "vscode";
 export function getDefaultTerminalType(): string | undefined {
     const platform = process.platform;
     let defaultProfileSetting = '';
-    if (platform === 'win32') {defaultProfileSetting = 'terminal.integrated.defaultProfile.windows';} 
+    if (platform.includes('win32')) {defaultProfileSetting = 'terminal.integrated.defaultProfile.windows';} 
     else if (platform === 'linux') {defaultProfileSetting = 'terminal.integrated.defaultProfile.linux';}
     else if (platform === 'darwin') {defaultProfileSetting = 'terminal.integrated.defaultProfile.osx';}
     const defaultProfile = vscode.workspace.getConfiguration().get<string>(defaultProfileSetting);
     if (defaultProfile) {return defaultProfile.toLowerCase();}
-    return undefined;
+    return "cmd";
 }
 
 export function getDivider(): string {