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ledger-app-installing-windows.md

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Side-loading Ergo Ledger App into a Ledger Nano S device on Windows

To install the Ergo Ledger App we need virtualenv, this module provides support for creating lightweight “virtual environments”, optionally isolated from the system.

Requirements

  • Ledger Nano S device
  • Windows OS

Steps

  1. Install python3.x if you don’t have it already installed (you may need to restart the computer) from https://www.python.org/downloads/

  2. Download and extract the latest Ergo Ledger App binary files from https://github.com/tesseract-one/ledger-app-ergo/actions/runs/2315938025;

  3. Using the command prompt, navigate to extracted Ledger App folder;

  4. Execute these commands on the terminal to install pip and virtualenv.

    $ py -m ensurepip –upgrade
$ pip3 install virtualenv

  5. Execute these commands on the command prompt to run virtulenv and activate it:

    $ python -m venv .\venv
$ venv\Scripts\activate

  6. Install Ledger Blue:

    (venv)$ pip install ledgerblue

  7. Connect and unlock your Ledger Nano S device to your computer;

  8. Now it's time to deploy the binary file app.hex into the Ledger device:

    (venv)$ python -m ledgerblue.loadApp --targetId 0x31100004 --apdu --tlv --fileName app.hex --appName Ergo --appFlags 0xe0

While the process is running, follow the instructions on the device screen to validate and accept the app installation.