my UV's are overlapping

Light

hey guys im brand new to both unity and blender in fact ive just started today and ive been following along the bender guide from Brackeys and everything was going according to plan a little bit of button placement differences due to new 2.93 version but nothing much....but now im in part 3 of Texturing yet

2021-11-08.png

It ends up looking like this as shown above

2021-11-08 (2).png

but it doesnt look neat and tidy like Brackey's UV

im new to all this so please correct me if im wrong and tell me what do i have to do???