diff --git a/appveyor.yml b/appveyor.yml
index 3d35190a..dc85ef0f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -78,20 +78,20 @@ install:
 
         Set-Service SQLBrowser -StartupType Manual;
         Start-Service SQLBrowser;
-    - echo Set PHP version...
-    - ps: >- 
+    # - echo Set PHP version...
+    - echo Downloading prerequisites
+    - ps: | 
         $client = New-Object Net.WebClient;
         $client.Headers.Add("user-agent", "appveyor-ci-build");
-        $client.DownloadFile('http://windows.php.net/downloads/releases/sha1sum.txt', 'c:\projects\sha1sum.txt');
+        $client.DownloadFile("http://windows.php.net/downloads/php-sdk/php-sdk-binary-tools-20110915.zip", "c:\projects\php-sdk-binary-tools-20110915.zip");
+        $client.DownloadFile("http://windows.php.net/downloads/releases/sha1sum.txt", "c:\projects\sha1sum.txt");
         If ($env:PHP_MINOR_VER -Match "latest") {
             $env:PHP_VERSION=type c:\projects\sha1sum.txt | where { $_ -match "php-($env:PHP_MAJOR_VER\.\d+)-src" } | foreach { $matches[1] }  ;
         } Else {
             $env:PHP_VERSION=$env:PHP_MAJOR_VER + '.' + $env:PHP_MINOR_VER;
         }
-        $client.DownloadFile('http://windows.php.net/downloads/php-sdk/php-sdk-binary-tools-20110915.zip', 'c:\projects\php-sdk-binary-tools-20110915.zip');
-        $client.DownloadFile('http://windows.php.net/downloads/releases/php-' + ${env:PHP_VERSION} + '-src.zip', ${env:APPVEYOR_BUILD_FOLDER} + '\..\php.zip');
-        $client.DownloadFile('https://download.microsoft.com/download/D/5/E/D5EEF288-A277-45C8-855B-8E2CB7E25B96/x64/msodbcsql.msi', 'c:\projects\msodbcsql.msi');
-
+        $client.DownloadFile("http://windows.php.net/downloads/releases/php-" + ${env:PHP_VERSION} + "-src.zip", ${env:APPVEYOR_BUILD_FOLDER} + "\..\php.zip");
+    dir c:\projects
     #- appveyor DownloadFile http://windows.php.net/downloads/releases/sha1sum.txt
     # determine latest PHP versions
     # - ps: >-
@@ -105,17 +105,17 @@ install:
     #- move php-sdk-binary-tools-20110915.zip ..
     #- echo Downloading PHP source code [%PHP_VERSION%]
     #- ps: (new-object net.webclient).DownloadFile('http://windows.php.net/downloads/releases/php-' + ${env:PHP_VERSION} + '-src.zip', ${env:APPVEYOR_BUILD_FOLDER} + '\..\php.zip')
-    #- echo Downloading MSODBCSQL 13.1
+    - echo Downloading MSODBCSQL 13.1
     # AppVeyor build works are x64 VMs and 32-bit ODBC driver cannot be installed on it
-    #- ps: (new-object net.webclient).DownloadFile('https://download.microsoft.com/download/D/5/E/D5EEF288-A277-45C8-855B-8E2CB7E25B96/x64/msodbcsql.msi', 'c:\projects\msodbcsql.msi')
+    - ps: (new-object net.webclient).DownloadFile('https://download.microsoft.com/download/D/5/E/D5EEF288-A277-45C8-855B-8E2CB7E25B96/x64/msodbcsql.msi', 'c:\projects\msodbcsql.msi')
     - cmd /c start /wait msiexec /i "c:\projects\msodbcsql.msi" /q
     - echo Checking the version of MSODBCSQL
     - reg query "HKLM\SOFTWARE\ODBC\odbcinst.ini\ODBC Driver 13 for SQL Server"
     - dir C:\Windows\System32\msodbcsql13.dll
     #- cd ..
     - cd c:\projects
-    - 7z x -y php-sdk-binary-tools-20110915.zip -o%PHP_SDK%
-    - 7z x -y php.zip -o%PHP_SDK_DIR%
+    - 7z x -y .\php-sdk-binary-tools-20110915.zip -o%PHP_SDK%
+    - 7z x -y .\php.zip -o%PHP_SDK_DIR%
     - echo update SQL connection string
     - ps: (Get-Content ${env:APPVEYOR_BUILD_FOLDER}\test\functional\pdo_sqlsrv\MsSetup.inc) | ForEach-Object { $_ -replace "TARGET_SERVER", ${env:TEST_PHP_SQL_SERVER} -replace "TARGET_DATABASE", ${env:PDOSQLSRV_DBNAME} -replace "TARGET_USERNAME",  ${env:TEST_PHP_SQL_UID} -replace "TARGET_PASSWORD",  ${env:TEST_PHP_SQL_PWD} } | Set-Content ${env:APPVEYOR_BUILD_FOLDER}\test\functional\pdo_sqlsrv\MsSetup.inc
     - ps: Get-Content ${env:APPVEYOR_BUILD_FOLDER}\test\functional\pdo_sqlsrv\MsSetup.inc