feat: add flsol direct win7 evaluation support

desktop_env/server_win7/extract_and_install.bat

@@ -0,0 +1,29 @@
+@echo off
+echo ========================================
+echo  Unzip + Install (Win7 32bit Python3.8)
+echo ========================================
+echo.
+
+set "ZIPFILE=%~dp0win7_server_packages.zip"
+set "DESTDIR=%~dp0"
+
+if not exist "%ZIPFILE%" (
+    echo [ERROR] win7_server_packages.zip not found!
+    echo Please put this bat and the zip in the same folder.
+    pause
+    exit /b 1
+)
+
+echo [1/3] Unzipping via Shell.Application (Win7 compatible) ...
+powershell -NoProfile -ExecutionPolicy Bypass -Command "$s=New-Object -ComObject Shell.Application; $d=$s.NameSpace('%DESTDIR%'); $z=$s.NameSpace('%ZIPFILE%'); $d.CopyHere($z.Items(), 20); Start-Sleep -s 5"
+
+echo.
+if not exist "%~dp0win7_offline_packages\install_win7.bat" (
+    echo [ERROR] Unzip failed. Folder win7_offline_packages not found.
+    pause
+    exit /b 1
+)
+
+echo [2/3] Unzip OK. Starting install ...
+echo.
+call "%~dp0win7_offline_packages\install_win7.bat"