> For the complete documentation index, see [llms.txt](https://doc.xcelsior.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.xcelsior.ai/tutorials/installation.md).

# Installation

Welcome to the tutorial on how to install `XCelsior AI: GPT for Sheets™ with Gemini, OpenAI` add-on in Google Sheets! Follow these simple steps to enhance your spreadsheet experience with the powerful features of XCelsior.

## Step 1: Install the Add-On

1. Click [XCelsior spreadsheet extension](https://cutt.ly/xePHXz5E) to go directly to the XCelsior add-on page in the Google Workspace Marketplace.
2. Click the **Install** button.

<figure><img src="/files/JU6Azya4MzIGfxEaihMC" alt=""><figcaption></figcaption></figure>

3. A dialog box will appear asking for permission to install the add-on. Click **Continue**.
4. Select the Google account you want to use with the add-on.
5. Review the permissions requested by XCelsior and click **Allow** to grant the necessary permissions.

<figure><img src="/files/0nrviULHfHTbovW06D0E" alt=""><figcaption></figcaption></figure>

6. After granting permissions, the installation process will complete, and a confirmation message will appear. Click **Done** to finish the installation.

## Step 2: Access and Use XCelsior

1. Open a new or existing Google Sheets document.
2. Click on the **Extensions** menu at the top of the page.
3. You should now see **XCelsior** listed in the dropdown menu.

<figure><img src="/files/2KDZ3FDOePtv0FmnfwMF" alt=""><figcaption></figcaption></figure>

4. Click on **XCelsior** to access its features and start using the add-on to enhance your spreadsheet workflows.

## Instructions for One Minute Tryout

For a quick tryout, click [**this template**](https://cutt.ly/iePHX74y). This protected sheet template allows you to make a copy and experience XCelsior's capabilities immediately.

## Additional Resources

For more information on how to use the features of XCelsior, visit the [XCelsior Google Workspace Marketplace page](https://workspace.google.com/marketplace/app/xcelsior_ai_gpt_for_sheets_with_gemini_o/953720034790) or refer to the user guide provided by the add-on.