best free artificial intelligence software for pc

There is no single "best" free AI software for PC, as the right choice depends entirely on what you want to do (chat, code, create images, edit video, etc.). Here is a breakdown of the best free AI software for PC, categorized by use case. Best for General-Purpose Chat & Assistance (LLMs) A. Microsoft Copilot What it is: The free version of OpenAI's GPT-4, integrated into Windows. Why it's best: It's the most powerful large language model available for free. It can browse the internet, generate text, write code, and analyze images you upload (e.g., "Describe this picture"). Best for: Writing, research, brainstorming, coding help, getting summaries. How to get it: Built into Windows 11 (taskbar icon) or via copilot.microsoft.com. B. Google Gemini What it is: Google's flagship AI model. Why it's best: Excellent for extracting information from long or complex PDFs, YouTube videos (you can paste a link), and websites. It has a 1 million token context window, meaning it can "remember" very long conversations or documents. Best for: Analyzing large documents, summarizing videos, research. How to get it: gemini.google.com (web app). C. DeepSeek What it is: A powerful open-source model that rivals GPT-4. Why it's best: It has a massive 1 million token context window (like Gemini). It is exceptionally good at logic, math, and coding. It's completely free with no usage limits. Best for: Complex coding problems, logical reasoning, deep technical research. How to get it: chat.deepseek.com Best for Image Generation (Creating Art) A. Microsoft Designer (via Copilot) What it is: Uses OpenAI's DALL-E 3 model but completely free. Why it's best: DALL-E 3 is the best model for understanding complex human prompts and generating photorealistic or artistic images. You can create infinite images with no daily limit. Best for: Creating digital art, concept art, illustrations, memes. How to get it: Go to copilot.microsoft.com and ask it to "create an image of...". B. Stable Diffusion (via Easy Diffusion / Automatic1111) What it is: The most powerful open-source image generator. You run it locally on your own PC. Why it's best: Complete privacy (no one sees your images), uncensored, and you can fine-tune it with your own styles. It's the professional standard. Best for: Power users, creating anime, realistic portraits, and specific artistic styles. System Requirement: A decent NVIDIA GPU (6GB+ VRAM recommended). How to get it: Download Easy Diffusion for a user-friendly installer. Best for Code Generation & Development A. GitHub Copilot (Free Tier) What it is: AI pair programmer that suggests code as you type. Why it's best: You get 2,000 code completions and 50 chat requests per month for free. This is enough for learning and small projects. It works in VS Code, JetBrains, and other IDEs. Best for: Writing python, javascript, and any other language. How to get it: Install the Copilot extension in VS Code and sign up with a GitHub account. B. ChatGPT (Free Version) What it is: The free version of OpenAI's model. Why it's best: While limited compared to Copilot, it is excellent for debugging, explaining code, and asking general programming questions. Best for: Learning to code, understanding complex scripts. How to get it: chatgpt.com Best for Image Editing & Upscaling A. Upscayl What it is: A free, open-source AI image upscaler. Why it's best: It runs entirely offline on your PC. You feed it a low-resolution image (e.g., a pixelated photo, an old drawing) and it doubles or quadruples the resolution while adding realistic detail. Best for: Enhancing old family photos, upscaling low-res art, improving screenshots. How to get it: Download from upscayl.org (Windows installer). Best for Video Editing & Effects A. DaVinci Resolve (Built-in AI Tools) What it is: A professional video editor with powerful free AI features. Why it's best: Its "Magic Mask" tool uses AI to automatically track and cut out people or objects in a video. It also has AI speech-to-text for auto-generating captions. Best for: Removing backgrounds, adding captions, color grading. How to get it: Download from Blackmagic Design's website (the free version is full-featured). Quick Decision Table You Want To... Best Free Option Why : : : Chat & Write (General Use) Microsoft Copilot Free GPT-4 Analyze Huge Documents Google Gemini 1M token context Create Realistic Images Microsoft Designer Free DALL-E 3 Have Total Privacy (Images) Stable Diffusion (local) Runs on your PC Write Software GitHub Copilot Free Inline code suggestions Upscale Old Photos Upscayl Offline, works great Edit Video with AI DaVinci Resolve Pro-level, free Final Recommendation: If you only download one thing, get Microsoft Copilot (or use it in your browser). It is the most versatile free AI tool for a PC user today.