Google Play Store is the default app store available on Android phones. But if you have a Huawei phone running on Android or if you have installed a custom ROM on your phone then you may need this app.
In this post you will get a direct link to download Play Store APK.
But this app is useless without the Google Play Services app. Because without logging-in to a gmail account you cannot install any app through the Play store. And, to be able to login, you need the Play Services app.
Where to Download Google Play Store APK file?
Visit the Downloads section to get the downloadable APK file.
The download section also contains a step-by-step installation guide.