Execute command in .NET 5.0 and newer.

Program.cs

public static async Task<string[]> ExecuteCommandAsync(string command)
{
    using var p = new Process();
    p.StartInfo = new ProcessStartInfo("cmd.exe")
    {
        CreateNoWindow = true,
        UseShellExecute = false,
        RedirectStandardInput = true,
        RedirectStandardOutput = true
    };
    p.Start();

    using var sw = p.StandardInput;
    if (sw.BaseStream.CanWrite)
    {
        sw.WriteLine("chcp 437");
        sw.WriteLine(command);
        sw.WriteLine("exit");
    }

    await p.WaitForExitAsync();

    var buffer = new List<string>();
    using var sr = p.StandardOutput;
    if (sr.BaseStream.CanRead)
    {
        while (sr.Peek() >= 0)
        {
            buffer.Add(sr.ReadLine()!);
        }
    }
    return buffer.SkipLast(1).ToArray();
}