W7 Security Updates: Download Updates W10+

@echo off
setlocal enabledelayedexpansion

echo Windows Defender Signature Downloader (Windows 10)
echo ==================================================
echo This script downloads signature updates to network share
echo.

:: Define network paths
set "SHARE_X86=[ENTER FILE LOCATION]"
set "SHARE_X64=[ENTER FILE LOCATION]"
set "FILE_X86=!SHARE_X86!mpam-fe.exe"
set "FILE_X64=!SHARE_X64!mpam-fe.exe"

:: Define download URLs
set "URL_X86=https://go.microsoft.com/fwlink/?LinkID=121721&arch=x86"
set "URL_X64=https://go.microsoft.com/fwlink/?LinkID=121721&arch=x64"

echo Network Share Paths:
echo - x86: !SHARE_X86!
echo - x64: !SHARE_X64!
echo.

:: Step 1: Check network connectivity
echo Step 1: Checking network connectivity...
if not exist "!SHARE_X86!" (
    echo ERROR: Cannot access x86 network share: !SHARE_X86!
    echo Please check network connectivity and share permissions
    pause
    exit /b 1
)

if not exist "!SHARE_X64!" (
    echo ERROR: Cannot access x64 network share: !SHARE_X64!
    echo Please check network connectivity and share permissions
    pause
    exit /b 1
)

echo ✓ Network shares accessible
echo.

:: Step 2: Delete existing files if they exist
echo Step 2: Checking for existing files...

if exist "!FILE_X86!" (
    echo Found existing x86 file: !FILE_X86!
    echo Deleting existing x86 file...
    del "!FILE_X86!"
    if !errorlevel! neq 0 (
        echo ERROR: Failed to delete x86 file
        pause
        exit /b 1
    )
    echo ✓ x86 file deleted successfully
) else (
    echo ✓ No existing x86 file found
)

if exist "!FILE_X64!" (
    echo Found existing x64 file: !FILE_X64!
    echo Deleting existing x64 file...
    del "!FILE_X64!"
    if !errorlevel! neq 0 (
        echo ERROR: Failed to delete x64 file
        pause
        exit /b 1
    )
    echo ✓ x64 file deleted successfully
) else (
    echo ✓ No existing x64 file found
)

echo Step 2 Complete: File cleanup finished
echo.

:: Step 3: Download x86 version
echo Step 3: Downloading x86 version...
echo URL: !URL_X86!
echo Destination: !FILE_X86!

powershell -Command "& {[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $ProgressPreference = 'SilentlyContinue'; try { Invoke-WebRequest -Uri '!URL_X86!' -OutFile '!FILE_X86!' -MaximumRedirection 10 -UserAgent 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36' } catch { Write-Host 'Download failed:' $_.Exception.Message; exit 1 } }"

if !errorlevel! neq 0 (
    echo ERROR: x86 download failed
    pause
    exit /b 1
)

if not exist "!FILE_X86!" (
    echo ERROR: x86 file not found after download
    pause
    exit /b 1
)

:: Check file size
for %%A in ("!FILE_X86!") do set "X86_SIZE=%%~zA"
if !X86_SIZE! LSS 1000 (
    echo WARNING: x86 file seems too small (!X86_SIZE! bytes)
    echo This might indicate a download error
)

echo ✓ x86 download completed successfully (Size: !X86_SIZE! bytes)
echo Step 3 Complete: x86 version downloaded
echo.

:: Step 4: Download x64 version
echo Step 4: Downloading x64 version...
echo URL: !URL_X64!
echo Destination: !FILE_X64!

powershell -Command "& {[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $ProgressPreference = 'SilentlyContinue'; try { Invoke-WebRequest -Uri '!URL_X64!' -OutFile '!FILE_X64!' -MaximumRedirection 10 -UserAgent 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36' } catch { Write-Host 'Download failed:' $_.Exception.Message; exit 1 } }"

if !errorlevel! neq 0 (
    echo ERROR: x64 download failed
    pause
    exit /b 1
)

if not exist "!FILE_X64!" (
    echo ERROR: x64 file not found after download
    pause
    exit /b 1
)

:: Check file size
for %%A in ("!FILE_X64!") do set "X64_SIZE=%%~zA"
if !X64_SIZE! LSS 1000 (
    echo WARNING: x64 file seems too small (!X64_SIZE! bytes)
    echo This might indicate a download error
)

echo ✓ x64 download completed successfully (Size: !X64_SIZE! bytes)
echo Step 4 Complete: x64 version downloaded
echo.

:: Step 5: Final verification
echo Step 5: Final verification...
echo.
echo Download Summary:
echo =================
echo x86 file: !FILE_X86!
echo   Size: !X86_SIZE! bytes
echo   Status:
if exist "!FILE_X86!" (
    echo   ✓ Present
) else (
    echo   ✗ Missing
)

echo.
echo x64 file: !FILE_X64!
echo   Size: !X64_SIZE! bytes
echo   Status:
if exist "!FILE_X64!" (
    echo   ✓ Present
) else (
    echo   ✗ Missing
)

echo.
echo =================
echo Final Status:
if exist "!FILE_X86!" if exist "!FILE_X64!" (
    echo ✓ SUCCESS: Both files downloaded successfully
    echo.
    echo The signature update files are now available on the network share
    echo Windows 7 clients can now run Script 2 to update their signatures
    echo.
    echo Network paths for clients:
    echo - 32-bit systems: !SHARE_X86!mpam-fe.exe
    echo - 64-bit systems: !SHARE_X64!mpam-fe.exe
) else (
    echo ✗ FAILURE: One or more downloads failed
    echo Please check the error messages above and retry
)

echo.
echo Download process completed
echo Current timestamp: %DATE% %TIME%