Install 5090Ai
Download the installer and set up the app.
Open guideFirst start: check your PC and pick a model
The system check and choosing your model.
Open guideDownload the AI models
Get the model files with the built-in download manager.
Open guideChat basics
Ask questions, read answers and see the speed.
Open guideFind, rename and organise chats
Your chat history, search, pin and delete.
Open guideThinking mode for hard problems
Let the model reason step by step.
Open guideAsk about images and files
Charts, screenshots, photos and text files.
Open guideChat with your documents (Knowledge)
Add PDFs, Word, Excel and more, then ask questions.
Open guideSearch the web
Up-to-date answers with sources.
Open guideUse 5090Ai from other apps (Local API)
An OpenAI-compatible server for your tools and code.
Open guideSwitch models and model storage
Change models, compare them, and choose where files live.
Open guideSettings and choosing the GPU
Look and feel, chat defaults and your graphics card.
Open guideFree use, commercial use and support
The daily allowance, licenses and donations.
Open guideTroubleshooting
Quick fixes for common problems.
Open guide