> For the complete documentation index, see [llms.txt](https://docs.cubepilot.org/user-guides/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cubepilot.org/user-guides/cubepilot-ecosystem/cubepilot-partners/union-robotics/herelink-blue/installing-a-custom-app/installing-qgc.md).

# Installing QGC

## Installing SDK Platform-Tools

Ensure you have latest [platform-tools](https://developer.android.com/studio/releases/platform-tools) installed on your computer system.

If you do not have the SDK "platform-tools" installed on your computer, download it from this link and keep track where the the "platform-tools" folder is located:

{% embed url="<https://developer.android.com/studio/releases/platform-tools>" %}

## Connect the HereLink Blue to a computer

Enable "Developer Mode" on the HereLink Blue by navigating to `Settings`->`About Phone`->`Build Number` and tap at least 7 times on "Build Number."

![Swipe down on the screen and click the "gear" icon for settings](/files/LK2clsRUS7SlaClgjl0y)

![Click "About Phone" in the settings window ](/files/jMlDEsXVe939WQ6M1Vzq)

![Click on the Build Number at least 7 times until the "Developer Mode" screen message is displayed](/files/QtmRWrVObDrNae0cc1wD)

Enable `Settings`->`Developer options`->`USB debugging`

![Click "Developer Options" in settings](/files/rI7hgHDE8cwi4dNI2x6C)

![Toggle USB debugging to "On"](/files/rr7VQ3zxGDIM5ev0Xs53)

Using a USB to Micro USB cable, plug the DataLink into a computer and open the computer's terminal command line

![](/files/KuH5snZmbZyMv9MPLjhw)

## Open the Terminal <a href="#open-the-terminal" id="open-the-terminal"></a>

For Windows, navigate to the "platform-tools" folder. In this folder, hold **down Shift and then right-click**. From the menu select the “**Open Command window here**” option. If the option to open the command window is not available, then click on the "open PowerShell window here".<br>

![Windows](/files/4Kko8093a1rIH4p6f9rm)

For Mac, navigate to the "platform-tools" folder. **Right Click** the folder and select  `Services`->`New Terminal at Folder`

![Mac](/files/cTpPg3ddlVX0Yi3uaWGP)

## Check if the unit is connected

Using the computer's terminal, check it the device is connected via the adb command protocol:

Mac:

```
adb devices

```

![Mac](/files/8AXj1tGp7uuIAkkmNCEa)

Windows:

```
.\adb devices

```

![Windows](/files/G3Y4Rasg9T8LlWDKVk7j)

## Download QGC APK

Click the link below to download the Android 64 bit QGC .apk to your computer:&#x20;

{% embed url="<https://qgroundcontrol.s3-us-west-2.amazonaws.com/latest/QGroundControl64.apk>" %}

Move the .apk file to the SDK "platform-tools" folder on your computer

![](/files/sG42ptnFnTE45EcsOTGs)

## Installing QGC to the DataLink

Install QGroundControl using `adb install QGroundControl64.apk` in your computers terminal

Mac:

```
adb install QGroundControl64.apk

```

![Mac adb install](/files/zHHpKUYAPcphZWdw8d7q)

Windows:

```
.\adb install QGroundControl64.apk
```

![Windows .\adb install](/files/EX4l6cdO5S6HvU4UfcJZ)

QGC should now appear in the app launcher's list.

![](/files/3f2CnqBzh3Wo0JtfFFlN)

![](/files/BNDchv4lTvTEaaYInFFP)