Be careful editing your Windows registry . Backup registry and then do the change below. At your own risk.
This tweak enables you to download more than 4 files using Internet Explorer
Normally you can only download four files at a time with Internet Explorer.
To increase that to as many as you want:
1. Go to Start -> run and type Regedit
2. Go to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet
Settings
3. Change the MaxConnectionsPer1_0Server to whatever number you want
4. Change the MaxConnectionsPerServer to whatever number you want
