Scroll down and select Google Play Services.Tap the All apps option to show a list of full apps (not necessary on every phone).
We only recommend this for troubleshooting purposes or if you intend on going for a Google-free alternative for everything, and we mean everything. However, be warned that doing so can greatly and negatively affect how your device operates. How do I disable and re-enable Google Play Services? If your installation fails, start at step one and perform the steps again.
Please note that improper installation, trying to install the wrong variant of Play Services, and not installing correctly can lead to failed installations.
If you need additional help, you can follow this tutorial to learn how to install apps without the Google Play Store.
It receives updates in the Google Play Store like any normal application, so it should update when all of your other Google Play apps update. It should update automatically in the background.