Easiest way: You should create a new emulator, before opening it for the first time follow these 3 easy steps:
1- go to C:\Users[user].android\avd[your virtual device folder] open "config.ini" with text editor like notepad
2- change
"PlayStore.enabled=false" to "PlayStore.enabled=true"
3- change
mage.sysdir.1 = system-images\android-30\google_apis\x86\
to
image.sysdir.1 = system-images\android-30\google_apis_playstore\x86\