People can still phone a provincewide call-centre at 1-833-838-2323 or make appointments in-person at the Service B.C. offices.
People will be required to register when they become eligible in their age category.
After you register, you will be given a confirmation number, which you will need to book your actual appointment.
In the Get Vaccinated system, residents will first register with the system, then be contacted when they are eligible to make an appointment.
In late March, López Obrador had said he would be vaccinated when people over 60 in Mexico City's central boroughs got their first shots.
Provincial health officer Dr. Bonnie Henry has said B.C.is on track to vaccinate almost half a million British Columbians by mid-April.
The changes to the vaccine booking process mean B.C.is moving into Phase 3 of its four-phase vaccination plan, the statement said.
Premier John Horgan said today marks a "major milestone" in the fight against COVID-19 "and we ask everyone to wait their turn".
Meanwhile, pharmacies are continuing to administer the Oxford-AstraZeneca vaccine to people between the ages of 55 and 65.
People who have already received their first dose of the COVID-19 vaccine through a health authority call centre will receive information in May about when and how to register for a second dose.
To date, the Fraser Health region has been the only one where residents could book an appointment online instead of risking an hours-long wait when booking by phone.
"Now, with the help of the new online and single phone number system, we're ready to move onto the next phase".
According to the province, almost 770,000 eligible British Columbians have received their first dose of vaccine, and more than 87,000 have received their second dose. Figures released Saturday did not include data on recent COVID-related deaths or hospitalizations.
But he said a second group of doctors he consulted told him it wasn't necessary, though he did not rule out getting what for most elders will be their second dose in June. The variant has also sidelined members of the Vancouver Canucks hockey team.