How to install ComfyUI and ComfyUI manager in three simple steps.
for windows 10/11
1. Download and install git:
https://git-scm.com/
If it asks you about any options during the install, simply leave them at the default selection.
If it asks you to "add to path" or something similar press yes or check a box.
Skip step 1. if you've already installed git and you're here for a fresh install.
2. Download the latest portable version of Comfyui:
(ComfyUI_windows_portable_nvidia.7z for nvdia gpu's)
(ComfyUI_windows_portable_amd.7z for amd gpu's)
https://github.com/Comfy-Org/ComfyUI/releases/
Unzip the folder anywhere you want your ComfyUI install to be.
I recommend using a separate drive with enough space for all the models and your ComfyUI portable install (~100GB recom.), even better if the drive has high read speeds.
3. Download and install ComfyUI manager: (optional but recommended)
Right click the link below and select Save Link As...:
https://github.com/ltdrdata/ComfyUI-Manager/raw/main/scripts/install-manager-for-portable-version.bat
Then save the .bat file in your main ComfyUI folder that is named ComfyUI_windows_portable.
Example location: "(C:)/ComfyUI_windows_portable_nvidia/ComfyUI_windows_portable/install-manager-for-portable-version.bat"
Double click install-manager-for-portable-version.bat and once the automatic install is finished the cmd window will disappear on its own.
Congratulations! You've successfully installed both ComfyUI and ComfyUI manager, you can now start up ComfyUI by double clicking the "run_nvidia_gpu.bat" and check out workflows for your desired model in ComfyUI's own browser in the top left corner, there are examples for almost every single image and video generator with download links to the models!
Feel free to come back here once you mess up your install by randomly adding the nodes of 200 workflows you downloaded online and try again from Step 2. of this guide.
Once you got the hang of it you can easily delete the folder and make a new install in under a minute every time you 'accidentally' ruin your install with a bunch of nodes you don't really need.
Will add a two step guide soon™ on how to make a permanent model folder so you don't have to copy over any models or god forbid redownload them everytime you start over. And trust me, you're going to start over eventually.
OOM Errors on multi-gpu setup
Don't bother reading this unless you have more than one graphics card in your PC installed.
ComfyUI isn't working because of constant OOM errors? ComfyUI v0.34 currently has a known bug where multi-gpu setups have problems, you can either downgrade by downloading a version before v0.3 OR right click "run_nvidia_gpu.bat", edit it with any text editor and add --cuda-device 0 after --windows-standalone-build which would look something like this inside the file:
.\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build --cuda-device 0
Obviously if your main GPU isn't 0 then change it to 1,2 or 3 accordingly.
Now good luck proompting!