These are the workflows I've been using for Wan so far.
They are heavily based upon this workflow by oscarchuncha654 so all credit to them:
You'll need CUDA, Triton and SageAttention.
I used the below guide for CUDA:
And this for Triton and SageAttention:
https://www.reddit.com/r/StableDiffusion/comments/1j0enkx/automatic_installation_of_triton_and/
For the sampler I tend to switch between euler and uni_pc.