FeaturedHow to Install Comfyui and Launch ComfyUI (2024)

ComfyUI has become a popular choice for creators in 2024, offering a powerful and flexible tool for Stable Diffusion workflows and Flux.1 workflows. Whether you're looking to install ComfyUI, set up ComfyUI, or learn how to launch ComfyUI, getting the setup right is essential for optimal performance. One standout option is using MimicPC, which lets you launch ComfyUI online without the need for downloads or installations. This not only saves time but also allows you to leverage cloud storage for your projects. In this blog, we’ll guide you through the best setup practices to help you get started effortlessly.

What is ComfyUI?

ComfyUI is a powerful, node-based graphical user interface (GUI) designed for AI art generation. Unlike traditional GUIs, ComfyUI lets users visually connect workflow components, making it intuitive to customize and optimize image generation settings. Its innovative approach simplifies the creative process while providing unparalleled flexibility.

Key Features of ComfyUI

• Custom Workflows: Create tailored AI workflows by combining nodes to suit your unique creative needs.
• Visual Programming: Drag-and-drop functionality simplifies workflow creation, making it beginner-friendly while remaining robust enough for advanced users.
• Compatibility: Seamlessly loads various Stable Diffusion models and Flux.1 models for enhanced flexibility.
• Efficiency: A lightweight design ensures faster processing and lower memory usage compared to more complex GUIs.
• Transparency: Offers a clear view of the workflow, helping users better understand underlying processes and troubleshoot effectively.

By leveraging a node-based system, ComfyUI empowers creators of all skill levels to prototype, refine, and share workflows, making it one of the most preferred Stable Diffusion tools for AI enthusiasts.

Now that you know the power of ComfyUI, you must be eager to try it out! You have two options to get started: you can launch ComfyUI in the cloud-base platform online for a hassle-free experience or install ComfyUI on your computer locally.

How to Launch ComfyUI Online with MimicPC

MimicPC simplifies the process of using ComfyUI by letting you run it directly in your browser—no downloads, installations, or complicated setups required. This cloud-based platform is perfect for both beginners and experienced users looking to save time and access ComfyUI seamlessly from anywhere.

Why Use MimicPC for ComfyUI?

• Access Anywhere: Launch ComfyUI with a single click directly in your browser, eliminating hardware or operating system limitations.
• Save Time: Skip the technical setup of local installations—ideal for creators who want to focus on generating images without hassle.
• Cloud-Based Performance: MimicPC leverages powerful cloud resources, ensuring faster processing speeds and supporting high-resolution image generation.
• Beginner-Friendly: No prior experience with installation or configuration is required.

Step-by-Step Guide to Using ComfyUI on MimicPC

1. Getting Started: Visit the MimicPC website and click the “Launch ComfyUI” button. The application will open in your browser with the default text-to-image workflow ready to use.

2. Configuring Initial Settings: Once you've accessed ComfyUI through MimicPC, launch the application to see the default workflow for the text-to-image interface. Familiarize yourself with the ComfyUI layout. Adjust parameters like resolution, image dimensions, and output format according to your project’s needs.

3. Selecting Models:
4. • Locate the Load Checkpoint node.
   • Choose from available Stable Diffusion or Flux checkpoint models.
   • If the desired model is missing, check that it’s added to your MimicPC workspace.

4. Crafting Prompts: Enter your creative prompts in the designated CLIP Text Encode (Prompt) nodes:
5. • Positive Prompt: Describes the desired image.
   • Negative Prompt: Excludes unwanted elements or styles.
     Thoughtfully craft prompts for precise and effective results.

5. Customizing Workflows: ComfyUI features a node-based system that allows you to expand its capabilities. If you need additional functionality, you can install custom nodes. Check GitHub or community forums for available nodes and follow the provided installation instructions to install custom nodes seamlessly.

6. Generating Images:
   Once everything is configured, click “Queue Prompt”. The system will process your inputs and deliver high-quality images tailored to your settings.

MimicPC vs. Local Installation: Why Choose Cloud-Based Launch?

MimicPC makes using ComfyUI effortless, fast, and accessible for all creators. Try it now to experience the difference! Launch ComfyUI online and start generating your next masterpiece today!

If you find it challenging to create a workflow by yourself, please check our workflow templates. We share customized and popular workflows, allowing you to click and use them without any prior experience even for complex workflows.

How to Install ComfyUI in Local

If you know how to use ComfyUI easily with MimicPC but still want to try installing it locally, here are the steps:

1. Install Prerequisites

• Download and install [Git] from its official site.
• Install [Python 3.10.6] and ensure to add it to your environment path during installation.
• Install 7-Zip or WinRAR for extracting files.

2. Download ComfyUI

• Go to the official [ComfyUI GitHub repository].
• You can either clone the repository using Git with the command: `git clone https://github.com/comfyanonymous/ComfyUI.git`. Or download it as a ZIP file by clicking the "Code" button and selecting "Download ZIP."

3. Extract and Set Up

• After downloading, extract the files using 7-Zip or WinRAR to your desired directory.
• Navigate to the folder containing the extracted files.

4. Run ComfyUI

• For Windows users, locate and run the `run_nvidia_gpu.bat` file to start ComfyUI in your web browser.

5. Install Additional Components

• Download the ComfyUI Manager batch file to help manage custom nodes, placing it in the ComfyUI installation folder. Run this batch file to complete the setup.

How to Install ComfyUI on Windows

Step 1: Install 7-Zip

• Visit the [7-Zip download page].
• Download the appropriate version for your system (32-bit or 64-bit).
• Run the downloaded `.exe` file and follow the installation instructions.

Step 2: Download and Extract ComfyUI

• Go to the [ComfyUI GitHub repository].
• Download the standalone version using the provided link or by cloning the repository.
• Once downloaded, right-click on the `ComfyUI_windows_portable_nvidia_cu118_or_cpu.7z` file, select Show More Options > 7-Zip > Extract Here. This will create a new folder called `ComfyUI_windows_portable`.

Step 3: Download a Checkpoint Model

To use ComfyUI, you need a checkpoint model:

• You can either download a model directly or share one from other Stable Diffusion GUIs like AUTOMATIC1111.
• Place the downloaded model in the folder: `ComfyUI_windows_portable\ComfyUI\models\checkpoints`.

Step 4: Launch ComfyUI

• If you have an Nvidia GPU, double-click `run_nvidia_gpu.bat` to start ComfyUI.
• If you don’t have an Nvidia GPU, double-click `run_cpu.bat` to launch ComfyUI in CPU mode, which may be slower.
• ComfyUI should automatically open in your web browser, allowing you to start generating images.

This straightforward guide will help you get ComfyUI up and running on your Windows machine.

Installing ComfyUI on Mac (M1/M2)

Step 1: Install Homebrew

Homebrew is a package manager for macOS that simplifies software installation. Open the Terminal app and run the following command:

`/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"`

Step 2: Install Required Packages

After Homebrew is installed, execute the following command to install the necessary packages:

`brew install cmake protobuf rust python@3.10 git wget`

Step 3: Clone ComfyUI

Clone the ComfyUI repository to your local machine by entering the following command:

`git clone https://github.com/comfyanonymous/ComfyUI`

Step 4: Install ComfyUI

1. Navigate to the ComfyUI directory:

`cd ComfyUI`

2. Create a virtual environment and install PyTorch:

`python -m venv venv

./venv/bin/pip install torch torchvision torchaudio`

3. Install ComfyUI dependencies:

`./venv/bin/pip install -r requirements.txt`

Step 5: Download a Stable Diffusion Model

To run Stable Diffusion, you need a model. Download the v1.5 model using:

`wget -P models/checkpoints https://huggingface.co/runwayml/stable-diffusion-v1-5/resolve/main/v1-5-pruned-emaonly.ckpt`

Step 6: Start ComfyUI

Finally, launch ComfyUI by running:

`./venv/bin/python main.py`

Once you execute the above command, ComfyUI will start, and you can begin using the interface to generate images.

In conclusion, launching ComfyUI in 2024 opens up exciting possibilities for creators looking to generate stunning images effortlessly. Whether you choose to install it locally or leverage the convenience of MimicPC, you can harness the full power of its user-friendly, node-based interface. By following the setup practices outlined in this blog, including the essential ComfyUI code, you can ensure that your ComfyUI experience is optimized for performance and creativity. With the right configuration and the ability to utilize cloud storage, you’ll be well on your way to generating impressive images.

Ready to streamline your creative process? Use MimicPC to launch ComfyUI directly in the cloud—no downloads or installations required! Experience the convenience of accessing powerful tools from your browser, allowing you to focus on generating stunning images without the hassle of setup.

Start to generate images with MimicPC today and unlock your creative potential effortlessly!