Depends what sort of walking you're likely to be doing, long hill days with rocky paths or no paths and lots of heather bashing, or lower level stuff on decent tracks. Good ankle support is crucial for the former, but you'd get away with lighter boots or walking shoes for the latter.
Personally, I'd also go with full leather and a goretex type lining, but would add vibram soles to that as well, apparently vibram lasts longer than other types of soles, according to my son who works for a well-known UK outdoor shop. Go to a decent outdoor shop, ask to speak to a member of staff about footwear and explain what sort of walking you'll be doing and they should be able to give you pretty good advice. Don't forget about insoles/footbeds, the ones that come in the boot or shoe may not be the best for you and it is well worth paying a bit extra for a decent footbed. Some outdoor shops also have staff members trained in fitting footbeds as well.
If you're likely to be walking in wet grass, crossing streams etc, I'd advise against anything with a brushed leather or suede type finish, I've found they don't stay waterproof as long as normal leather and you have to re-proof them more frequently.
For years i just wore non membrane running/ trail shoes and sandals for summer hillwalking and scrambling in Scotland. I just waded rivers wearing them. Water came in easy but drained easy too. I only wore boots in winter.
The 'brand' or 'style' of 'boots' that you think you want, may not be the ones that 'fit' you the best.
Fit/Function, for YOU, will be the primary determinants.
Whether boots are Vibram soled, or other, good value, or top shelf expensive, Gore-Tex lined, similar technology linings, or just plain old thick leather - I have literally destroyed them all - and I don't even think what I have done is particularly strenuous - bush walking, trekking, scrambling etc.
I always go for the Gore-Tex /other brand linings, and get the best hi-tec moisture wicking socks too.
** Another big tip is to get parachute cord for laces. Yes, I destroyed even these too, but they last many times longer than even the toughest regular heavy duty hiking boot laces.
Good luck in finding something that fits and works 👍