Walking methods are..

Smooth breathe, with nose breathe in, and out with nose with  rhytm of move, as on a walking time are useful to sing,whistle, as on breathe in and out.
As not on an all cases as you walk is not must to be causing dyspnoe, pulse in ten minutes since at home  is near to your norm.
Rules are...
1.As begin walking with a fast steps for 15 minutes, you are tired as low temp, as walk till tire, not till breath failure, as to sweat for loading feeling, thus organism will burn caloriers or fats filled, as base functional organism systems are slowly adapting to the muscle strain, and will to train itself.

2.As within three months as leasdsing walking with a fast steps for an hour for one walking, as in three months as slowly after loads raised you teaching faster walking for 2 hours, if you walking more,as other time adding for rest, as slowly walking, but dot not get involved  rise temp of walking and speed are slowly..

3.Rest, if you are tired,sit after slowly walking,as after walking faster, if you cannot walk at parks, walk to the work, anbd back on the middle temp, as from work is faster.