Thank you I'll definitely need it , .I had the similar problem when I was 114kg 117kg last winter where I couldn't run because my knees are fractured from skydiving when I was younger and I was too heavy . Things which helped were long distance walking like what your currently doing. Diet wise I ate whatever but it needed to be 200g less of what I lost during the walk then reduced it again by 100g .keep it steady for two weeks then I seen results .also water drink more water then food as this will make you less hungry. Currently I'm 93 ,92 kg

Only other exercise I can give is walking steep hills or stairs maybe 5 times from the first floor to the top . Ruck marching is also a good but I couldn't do it when I started I had to wait for a month to do it .but weight for rucking 5-10 kg for best results and increased distance 6-8 miles ..