# Open Existing Virtual Environments

If you installed Mito in a virtual environment, follow these instructions to relaunch your Mito environmnet. 

## How to open open an Existing Virtual Environment 

{% tabs %}
{% tab title="Python Virtual Environment" %}
Activate your environment 

* **On Windows** in command prompt:

{% code fullWidth="true" %}

```
mitoenv\Scripts\activate.bat
```

{% endcode %}

* **On Mac**:

```
source mitoenv/bin/activate
```

Launch JupyterLab

```
jupyter lab
```

Then either create a new mitosheet or rerun an existing mitosheet.sheet() call
{% endtab %}

{% tab title="Anaconda Navigator" %}

1. Open Anaconda Navigator
2. Click on the `Home` button
3. Select your Mito environment

<figure><img src="https://2294704369-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MP_U5ZCmiamDOXEOOTC%2Fuploads%2FPlpYIJMh3yQYx1vjelHr%2FScreenshot%202023-09-26%20at%202.15.10%20PM.png?alt=media&#x26;token=193a7cd3-bb10-4131-91fd-1f4f76e4a2b5" alt=""><figcaption></figcaption></figure>

4. Find the `JupyterLab` title and press `Launch`
   {% endtab %}

{% tab title="Conda Virtual Environment" %}
Activate your environment

```
conda activate mitoenv
```

Launch Jupyter Lab

```
jupyter lab
```

Then, follow these instructionst to [create a new mitosheet](https://docs.trymito.io/how-to/creating-a-mitosheet).&#x20;
{% endtab %}
{% endtabs %}