Ask a Computer Question, Get an Answer ASAP!
Welcome to Justanswer
First, you'll need to know which version of Android you have. Go to Settings > About Phone and look for Android Version. Then, you'll need unknown sources enabled on your phone. This just allows you to install apps from outside Google Play. Go to Settings > Security > Unknown Sources and check the box.
Now you simply have to choose the right Google Play Services version based on the three pieces of information you just collected. You can find the latest versions of Google Play Services hosted on APK Mirror and select the right one with the right suffix for your device. Then, just download and install Google Play Services onto your phone.
Let me know how it goes