diff --git a/.gitattributes b/.gitattributes
index 342564d..0c5aaa4 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,5 +1,6 @@
 .gitattributes export-ignore
 .gitignore export-ignore
+/appveyor.yml export-ignore
 /.travis.yml export-ignore
 /.scrutinizer.yml export-ignore
 /build export-ignore
diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 0000000..305d846
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,64 @@
+build: false
+clone_depth: 50
+platform:
+  - x64
+environment:
+  matrix:
+    - dependencies: lowest
+      php_version: 7.0
+    - dependencies: highest
+      php_version: 7.0
+    - dependencies: lowest
+      php_version: 7.1
+    - dependencies: highest
+      php_version: 7.1
+
+  project_directory: c:\projects\slevomat-eet-client
+  composer_directory: c:\tools\composer
+  composer_executable: c:\tools\composer\composer.phar
+  php_archive_directory: c:\tools\php-archive
+  php_directory: c:\tools\php
+matrix:
+  fast_finish: true
+clone_folder: c:\projects\slevomat-eet-client
+cache:
+  - c:\tools\composer
+  - c:\tools\php-archive
+  - '%LOCALAPPDATA%\Composer'
+init:
+  - ps: $Env:PATH = $Env:php_directory + ';' + $Env:composer_directory + ';' + $Env:PATH
+  - ps: $Env:ANSICON = '121x90 (121x90)'
+install:
+  # Download requested PHP version
+  - ps: If ((Test-Path $Env:php_archive_directory) -eq $False) { New-Item -Path $Env:php_archive_directory -ItemType 'directory' }
+  - ps: $requested_php_version = %{If ($Env:dependencies -eq 'lowest') { $Env:php_version + '.0' } Else { (((choco search php --exact --all-versions -r | Select-String -pattern $Env:php_version) -replace '[php|]', '') | %{ New-Object System.Version $_ } | Sort-Object | Select-Object -Last 1).ToString() }}
+  - ps: $php_version_url = %{If ($Env:dependencies -eq 'lowest') { 'http://windows.php.net/downloads/releases/archives/php-' + $requested_php_version + '-nts-Win32-VC14-' + $Env:platform + '.zip' } Else { 'http://windows.php.net/downloads/releases/php-' + $requested_php_version + '-nts-Win32-VC14-' + $Env:platform + '.zip' }}
+  - ps: $php_version_file = $Env:php_archive_directory + '\php-' + $requested_php_version + '.zip'
+  - ps: If ((Test-Path $php_version_file) -eq $False) { appveyor-retry appveyor DownloadFile $php_version_url -FileName $php_version_file }
+
+  # Prepare PHP
+  - ps: New-Item -Path $Env:php_directory -ItemType 'directory'
+  - ps: cd $Env:php_directory
+  - ps: 7z x $php_version_file
+  - ps: Copy-Item php.ini-production -Destination php.init
+  - ps: Add-Content -Path php.ini -Value 'date.timezone="UTC"'
+  - ps: Add-Content -Path php.ini -Value 'extension_dir=ext'
+  - ps: Add-Content -Path php.ini -Value 'extension=php_curl.dll'
+  - ps: Add-Content -Path php.ini -Value 'extension=php_mbstring.dll'
+  - ps: Add-Content -Path php.ini -Value 'extension=php_openssl.dll'
+  - ps: Add-Content -Path php.ini -Value 'extension=php_soap.dll'
+  - ps: php --version
+
+  # Prepare composer
+  - ps: If ((Test-Path $Env:composer_directory) -eq $False) { New-Item -Path $Env:composer_directory -ItemType 'directory' }
+  - ps: If ((Test-Path $Env:composer_executable) -eq $False) { appveyor-retry appveyor DownloadFile https://getcomposer.org/composer.phar -FileName $Env:composer_executable }
+  - ps: Set-Content -Path ($Env:composer_directory + '\composer.bat') -Value ('@php ' + $Env:composer_executable + ' %*')
+  - composer self-update
+
+  # Install dependencies
+  - ps: cd $Env:project_directory
+  - IF %dependencies%==lowest composer update --prefer-lowest --prefer-stable --no-interaction --no-progress
+  - IF %dependencies%==highest composer update --prefer-stable --no-interaction --no-progress
+test_script:
+  - ps: cd $Env:project_directory
+  - vendor\bin\phing
diff --git a/readme.md b/readme.md
index 38d8d6f..e70c293 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,7 @@
 # Client for EET - Elektronická evidence tržeb
 
 [![Build Status](https://img.shields.io/travis/slevomat/eet-client/master.svg?style=flat-square)](https://travis-ci.org/slevomat/eet-client)
+[![Build status](https://img.shields.io/appveyor/ci/slevomat/eet-client/master.svg?style=flat-square)](https://ci.appveyor.com/project/slevomat/eet-client/branch/master)
 [![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/slevomat/eet-client.svg?style=flat-square)](https://scrutinizer-ci.com/g/slevomat/eet-client/?branch=master)
 [![Scrutinizer Code Quality](https://img.shields.io/scrutinizer/g/slevomat/eet-client.svg?style=flat-square)](https://scrutinizer-ci.com/g/slevomat/eet-client/?branch=master)
 [![Latest Stable Version](https://img.shields.io/packagist/v/slevomat/eet-client.svg?style=flat-square)](https://packagist.org/packages/slevomat/eet-client)
@@ -27,14 +28,14 @@ $crypto = new CryptographyService('cesta k privátnímu klíči', 'cesta k veře
 $configuration = new Configuration(
     'DIČ poplatníka',
     'Identifikace provozovny ',
-    'Identifikace pokladního zařízení', 
+    'Identifikace pokladního zařízení',
     EvidenceEnvironment::get(EvidenceEnvironment::PLAYGROUND), // nebo EvidenceEnvironment::get(EvidenceEnvironment::PRODUCTION) pro komunikaci s produkčním systémem
     false // zda zasílat účtenky v ověřovacím módu
 );
 $client = new Client($crypto, $configuration, new GuzzleSoapClientDriver(new \GuzzleHttp\Client()));
 
 $receipt = new Receipt(
-	true, 
+	true,
 	'CZ683555118',
 	'0/6460/ZQ42',
 	new \DateTimeImmutable('2016-11-01 00:30:12'),
@@ -45,7 +46,7 @@ try {
     $response = $client->send($receipt);
     echo $response->getFik();
 } catch (\SlevomatEET\FailedRequestException $e) {
-    echo $e->getRequest()->getPkpCode(); // if request fails you need to print the PKP and BKP codes to receipt 
+    echo $e->getRequest()->getPkpCode(); // if request fails you need to print the PKP and BKP codes to receipt
 } catch (\SlevomatEET\InvalidResponseReceivedException $e) {
     echo $e->getResponse()->getRequest()->getPkpCode(); // on invalid response you need to print the PKP and BKP too
 }
@@ -85,8 +86,8 @@ try {
 
 ### Client driver
 
-Odeslání požadavku na servery EET neprobíhá přímo přes SoapClient integrovaný v PHP, ale pomocí rozhraní `SoapClientDriver`. Hlavním důvodem je 
-nemožnost nastavení timeoutu požadavků integrovaného SoapClienta. 
+Odeslání požadavku na servery EET neprobíhá přímo přes SoapClient integrovaný v PHP, ale pomocí rozhraní `SoapClientDriver`. Hlavním důvodem je
+nemožnost nastavení timeoutu požadavků integrovaného SoapClienta.
 
-Součástí knihovny je implentace rozhraní s pomocí [guzzlehttp/guzzle](https://packagist.org/packages/guzzlehttp/guzzle). Výchozí timeout této implementace 
+Součástí knihovny je implentace rozhraní s pomocí [guzzlehttp/guzzle](https://packagist.org/packages/guzzlehttp/guzzle). Výchozí timeout této implementace
 je 2.5 sekundy, nastavitelný parametrem konstruktoru.