Plan on A+ if you want the credential employers screen for.
Commenters in r/ITCareerQuestions and r/helpdesk repeatedly say the course is good for learning, while A+ is what clears HR filters. Several replies advise going straight to A+ if you can.

Validates practical skills in IT support, including troubleshooting, networking, operating systems, system administration and security.
Work through 5 courses in order, from troubleshooting and hardware to networking, operating systems, system administration and security. Do the labs and complete the graded quizzes. There is no final exam.
Rows are courses with Coursera's hour estimates, plus one optional AI course.
Example scenario: A user says their laptop "stopped working" after an update. Which three questions would you ask first?
Example scenario: One office printer works by IP address but not by name. Which network service would you check?
Anyone can enroll on Coursera, which offers a 7-day free trial and financial aid. Google Career Skills offers the same certificates for $49 a month.
Coursera's course estimates add up to 122 hours, and Coursera suggests 3 months at 10 hours a week.
Most candidates spend 80–140 hours. Plan for the low end if you already build or repair computers or hold a related IT role; allow more time if networking and operating systems are new to you.
The program is the course. If A+ is your next step, add an A+ course after you finish.
Do the labs yourself. Run the commands and configuration tasks rather than watching. That practice is what help desk interviews test.
Complete the coursework on your own schedule.
Commenters in r/ITCareerQuestions and r/helpdesk repeatedly say the course is good for learning, while A+ is what clears HR filters. Several replies advise going straight to A+ if you can.
Commenters say the Google course alone does not cover the A+ objectives and recommend A+ specific study, such as Professor Messer's free videos.
One commenter with PC repair experience advised applying to help desk jobs once you are halfway through rather than waiting for the certificate.