Windows:

1. Download the VirtualBox installer from the official website.
2. Run the installer and follow the on-screen instructions.

Linux:

• Method 1 (Command Line):

  sudo apt-get update
  sudo apt-get install virtualbox
  

• Method 2 (Manual Installation):

1. Download the Linux installer from the VirtualBox Downloads page.
2. Open Terminal and run:

   sudo dpkg -i virtualbox-7.0_7.012-15984~Ubuntu~
   

During the installation process, if you encounter a message indicating that the user is not in the sudoers file, additional steps are required to modify user permissions.

1. Switch to the user “root”:

   su root
   

2. Edit the sudo users:

   visudo
   

3. Under “User privilege specification”, add the line:

   <USERNAME> ALL=(ALL:ALL)ALL
   

4. Save and exit.

For other operating systems, please refer to the VirtualBox website.

After successfully downloading and installing VirtualBox, the next step is to install EdgeGO Server.