> For the complete documentation index, see [llms.txt](https://docs.mindmac.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mindmac.app/product-tour/getting-started.md).

# Getting started

MindMac is freemium application, that means you can use it freely with some limitations and have option to upgrade to premium version.

### Add API key

After downloading and installing the app, you need to add your own API key to start exploring ChatGPT with MindMac. At the first time launch the app, you can follow below video to add quickly an API key. 

{% embed url="<https://www.youtube.com/watch?v=s6ysm3Z-dQ8>" %}

If you want to add more API providers, just going to [Add API key](/how-to.../add-api-key.md) page for more instructions.

To get API key from AI providers, check below articles.

* OpenAI: [Create OpenAI API Key](/how-to.../add-api-key/create-openai-api-key.md)
* Azure OpenAI: [Create Azure OpenAI API Key](/how-to.../add-api-key/create-azure-openai-api-key.md)
* Google AI: [Create Google AI API key](/how-to.../add-api-key/create-google-ai-api-key.md)
* Google Vertex AI: [Create Google Cloud Vertex AI API Key](/how-to.../add-api-key/create-google-cloud-vertex-ai-api-key.md)
* OpenRouter: [Create OpenRouter API Key](/how-to.../add-api-key/create-openrouter-api-key.md)
* Mistral AI: [Create Mistral AI API Key](/how-to.../add-api-key/create-mistral-ai-api-key.md)
* Perplexity: [Create Perplexity API Key](/how-to.../add-api-key/create-perplexity-api-key.md)
* Anyscale: [Create Anyscale API key](/how-to.../add-api-key/create-anyscale-api-key.md)

With the free version, you can try it freely with two limitations:

* Create up to 5 conversations
* Use Inline mode up to 20 times per day

### Activate license

In the case you want to upgrade to premium version, checkout at [here](https://mindmac.app/#pricing). Once payment has been successfully, Paddle (MindMac's payment gateway) will send you an email included a license key. Now, let go to [Activate license](/how-to.../activate-license.md) page to see how to activate the license on your Mac device.