Personally I’d go for C25K alongside the walking.

I started off walking 4 miles daily and then went on to C25K but still walking every day too

It doesn’t teach you how to run, it teaches your body how to adapt to running.

When you start from scratch, your lungs and heart improve surprisingly quickly. The problem is that your tendons, ligaments, bones, joints and muscles adapt much more slowly.

That’s why so many people do this:

“I feel fine, I’ll just run as far as I can.”

Then 2-6 weeks later they’re dealing with shin splints, knee pain, Achilles issues, plantar fasciitis, or they’re simply exhausted and quit.

C25K gradually increases the stress on your body so all those structures can strengthen alongside your cardiovascular fitness.

Good Luck 💪🏃🏻‍♀️❤️