How to get started with GCP - Google Cloud Platform.
Coursera
>>> Enroll the free Architecting with Google Cloud Platform Specialization on Coursera website.
There are six courses to complete. If you can make your time to study a whole week, you can earn a certificate using 7-day trial. The last course is the hardest one, make sure to spend 2 last days for it.
>>> Enroll the free Networking in Google Cloud Specialization.
There are four courses to complete.
Qwiklabs
Practice until you cannot make it wrong with Qwiklabs.
Check Qwiklabs blog and especially QwikLabs Free Codes — GCP and AWS to find free credits or even one month subscription to play around with Qwiklabs.
Google Cloud Platform Free Tier
Register to get your own GCP project.
https://cloud.google.com/free/