Download IICPC Software

IICPC Software is the app you use to take proctored IICPC contests. Install it before the contest day, and sign in once to check that everything works on your computer.

Install on Windows

Before you begin

  • 64-bit Windows 11
  • An administrator account on the computer
  • A webcam and a stable internet connection
  • At least 4 GB of memory and 2 GB of free disk space
  1. 1

    Open PowerShell as administrator

    Select Start, type PowerShell, then right-click Windows PowerShell and choose Run as administrator. Select Yes when Windows asks for permission.

  2. 2

    Paste the install command

    Copy the command below, paste it into the PowerShell window, and press Enter.

    irm https://get.bilattice.com/install.ps1 | iex
  3. 3

    Wait for the installation to finish

    The download is about 310 MB. When you see IICPC Software is installed, you can close PowerShell.

  4. 4

    Open IICPC Software

    Open IICPC Software from the Start menu and sign in with your IICPC contest account.

  5. 5

    Allow camera access

    At the camera step, select Open camera settings, turn on camera access for IICPC Software, then return to the app. The camera starts automatically.

Updating

Run the install command again. It replaces an older version and does nothing if you already have the latest one.

Removing after the contest

In PowerShell opened as administrator, run this command:

irm https://get.bilattice.com/uninstall.ps1 | iex

If something goes wrong

PowerShell is not running as administrator

Close PowerShell, open it again with Run as administrator, and paste the command again.

IICPC Software needs 64-bit Windows 11

This computer runs an older version of Windows. Use a computer with Windows 11.

The download is damaged or not the official file

Check your internet connection and run the command again.

The camera does not start

Close other apps that use the camera, such as video-call apps, then select Restart camera in IICPC Software.

Still stuck? Email iicpccamp@gmail.com with a screenshot of the error.