Edit som armor texutre

[linetime]

Hi all! Im new in wow model edit. And i try to edit Bloodscale Legguards - Item - World of Warcraft plate_a_05_red_pant_lu_f i extract it from wow to png then edit. and convert to Blp.
But in game its looks like no skin red zone. What im doing wrong? Can any1 link me guide (didnt find it.) or just delete underpants in upper texutre. and upload it somwhere.

[brotalnia]

Make sure you save it as a 32 bit PNG before converting it to BLP.

[linetime]

Make sure you save it as a 32 bit PNG before converting it to BLP.

i save it in 32bit from photoshop >save for web png24 and after save its show 32bit

upd after night of google i font service TinyPNG – Compress PNG images while preserving transparency its convert any png to RGBA and its now works! thx all maybe this info help som1