github installer . bat will now use three different downloading methods if the powershell one fails

git installer.bat

@@ -17,6 +17,8 @@ set "SCRIPT_DIR=%~dp0"
 set "EXTRACT_DIR=%SCRIPT_DIR%gitportable"
 set "LOG_FILE=%SCRIPT_DIR%git_setup.log"
 
+echo Downloading Git, please wait... It may take a while.
+
 :: Redirect output to log
 call :main >> "%LOG_FILE%" 2>&1
 goto :end
@@ -49,9 +51,9 @@ if exist "%EXTRACT_DIR%\" (
     )
 )
 
-:: Download Git
+:: Download Git using available method
 echo Downloading Git...
-powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%GIT_URL%' -OutFile '%SCRIPT_DIR%%GIT_ARCHIVE%'"
+call :download "%GIT_URL%" "%SCRIPT_DIR%%GIT_ARCHIVE%"
 if %errorlevel% neq 0 (
     echo Error: Download failed.
     goto :done
@@ -97,6 +99,33 @@ echo ====================================================
 :done
 exit /b
 
+:download
+:: Args: %1 - URL, %2 - Output file
+
+:: Try PowerShell
+where powershell >nul 2>nul
+if %errorlevel%==0 (
+    powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%~1' -OutFile '%~2'"
+    if %errorlevel%==0 exit /b 0
+)
+
+:: Try curl
+where curl >nul 2>nul
+if %errorlevel%==0 (
+    curl -L -o "%~2" "%~1"
+    if %errorlevel%==0 exit /b 0
+)
+
+:: Try bitsadmin
+where bitsadmin >nul 2>nul
+if %errorlevel%==0 (
+    bitsadmin /transfer downloadjob /download /priority normal "%~1" "%~2"
+    if %errorlevel%==0 exit /b 0
+)
+
+echo Error: No supported downloader (certutil, PowerShell, curl, bitsadmin) found.
+exit /b 1
+
 :end
 echo.
 echo Log saved to: %LOG_FILE%