I think there is no right or wrong way to learn, its your journey. Paid guitar lessons one on one id imagine would be the best structured way to go providing a clear path to progression and achievement. And with the right instructor would be money well spent.
For me,
I use tabs, listen to the artist over and over, youtube has some great song lessons for all levels, justin and andy guitar, 365 , marty is one my favourites very light hearted.
I dont put any expectations on myself being a newish older player, no time limits to when i achieve this chord or that lick. I can honestly say ive never been frustrated or annoyed at myself for the things i cant quite do yet, all been enjoyable guitar to me is almost like meditation to me, stress free and relaxing.
Id imagine most start of with a 3 chord song to strum along to. Mine was a 4 chord the verve song "lucky man"
Ive tried a couple of apps, doesnt really work for me, each to their own i guess just remember its supposed to be fun whichever ever method you choose to learn with.
Rocksmith + can be a bit of a laugh to mess with, has lessons and a stack for of songs.