How to use the files downloaded by UnityWebRequest

Unity Engine
1

Hello
1- i want my game download a texture and save it in my harddisk
2- then Any time i need that texture , unity load that texture form my harddisk.

i wrote a cod which do the first part(download form net and save in hard disk) but i don’t know how to use that fill in the game. please help me.

this flowing cod download texture form url and save it in my harddisk

   IEnumerator DownloadPic()
    {
        UnityWebRequest wwwpic = UnityWebRequestTexture.GetTexture(textureUrl);
     
       yield return wwwpic.Send();

        if (wwwpic.isError)
        {
            print("Error  " + wwwpic.error);
        }
        else
        {
        
            DownloadHandlerTexture picHandl = wwwpic.downloadHandler as DownloadHandlerTexture;
            string fillName = "image";
            string Tpath = Path.Combine(Application.persistentDataPath, "AssetData");
            Tpath = Path.Combine(Tpath, fillName + ".unity3d");
            Save(picHandl.data, Tpath);
        }
    }

    public void Save(byte[] data,string path)
    {

        if (!Directory.Exists(Path.GetDirectoryName(path)))
        {
            Directory.CreateDirectory(Path.GetDirectoryName(path));
        }
        try
        {
            File.WriteAllBytes(path, data);
        }
        catch
        {
            Debug.LogWarning("Failed To Save Data to: " + path.Replace("/", "\\"));
        }
      
        }
    }
2

Is this what you seek?

Complete with sample code.