A clean minimalistic UI requires Elvui Shadow and Light
The Unit frames are Shadowed Unit Frames and you need to install those throught the twitch client or the curseforge (or however you want)
To get the unit frame layout and the weak aura textures:
https://www.dropbox.com/sh/gm1kmt11s5cj3od/AADyxQfkFoI_PNrmO1yWeE2Oa?dl=0
The circle weak aura in the middle - https://wago.io/x8S5Zy28T
WeakAura for Shaman - https://wago.io/2UP5ofLBp
WeakAura for Warrior - https://wago.io/kO9o_0MOc
WeakAura for Warlock - https://wago.io/oE7Fjq5pn
WeakAura for Paladin - https://wago.io/67dr1uVsN
WeakAura for Demon Hunter - https://wago.io/zKZgaBPgI
WeakAura for Death Knight - https://wago.io/vpLWqdUvz
WeakAura for Druid - https://wago.io/X4u9hmZC9
WeakAura for Mage - https://wago.io/z_49LH5hx
WeakAura for Hunter - https://wago.io/wJurUlsDR
WeakAura for Monk - https://wago.io/Ov2H8MXRR
WeakAura for Priest - https://wago.io/kBPWq4uh1
WeakAura for Rogue - https://wago.io/928VnB4Lx