Running powerful AI models like Llama, DeepSeek, Gemma, Mistral, or Stable Diffusion on your own PC is now easier than ever.
You don’t need coding skills.
You don’t need a subscription.
And the best part?
You can use these AI models completely offline once they’re downloaded.

This guide shows you exactly how to set everything up using Ollama.

Step-by-Step: Install & Use AI Models on PC (Windows & Mac)

Follow these steps even if you have zero technical knowledge.

Step 1: Install Ollama

Ollama is the easiest tool for running AI models locally.

  • Go to Ollama.com
  • Download for Windows or Mac
  • Install it (Next → Next → Finish)

After installation, your PC becomes capable of running large AI models without internet.

Step 2: Open Command Prompt

Once installed:

  • Search “CMD” on your PC
  • Press Enter
  • A black Command Prompt window will open

This is where you will run AI models.

Step 3: Run an AI Model

Type the command of the model you want and press Enter.

For Llama 3.2:
ollama run llama3.2

For Gemma 4:
ollama run gemma2

For DeepSeek:
ollama run deepseek-r1

👉 For the latest model names, visit their GitHub or HuggingFace pages (usually in the first comment of the post).
You will find updated commands and model versions there.

Step 4: Start Using the Model (Offline Mode)

The first time you enter the command:

  • The model will download
  • After download, you can ask questions directly inside CMD
  • No internet required
  • No subscription required
  • Everything runs 100% offline from your PC

Yes — you can use AI models without internet once they’re installed.

Top 5 Open-Source AI Models You Should Try

1. Llama 3.2 (Meta)

One of the most powerful and popular open-source models today.

✔ Text summarization
✔ Coding
✔ Creative writing
✔ General chat

Official Website: llama.meta.com
GitHub: github.com/meta-llama/llama-models

2. DeepSeek-R1 (DeepSeek)

The model that shook the AI world with its insane reasoning ability.

✔ Complex math
✔ Logical reasoning
✔ Coding
✔ Human-like thinking

Official Website: deepseek.com
GitHub: github.com/deepseek-ai/DeepSeek-R1

3. Gemma 4 (Google DeepMind)

Google’s most powerful open-source model so far.

✔ Lightweight
✔ Superfast performance
✔ High accuracy
✔ Perfect for Google AI fans

Official Website: ai.google.dev/gemma
HuggingFace: huggingface.co/google/gemma-4-E4B

4. Mistral 7B (Mistral AI)

Best for users with low or mid-range PCs.

✔ Extremely fast
✔ Lightweight
✔ Ideal for chatting and small coding tasks

Official Website: mistral.ai
GitHub: github.com/mistralai/mistral-inference

5. Stable Diffusion 3.5 (Stability AI)

A powerful image generation model.

✔ Text → Image
✔ High-quality artwork
✔ Runs on your GPU
✔ Completely free

Official Website: stability.ai
GitHub: github.com/Stability-AI/generative-models

Final Thoughts

Thanks to Ollama, anyone can now run advanced AI models on their own computer —
without internet, without subscription, and without coding.

Once you download a model, it becomes:

  • Fully offline
  • Super fast
  • Completely private
  • 100% free to use forever