Acer Veriton S461 & M661 Microsoft Windows Vista Business (32-Bit) System Recovery 2 DVD Discs. This discs can be used to reinstall Windows Vista on your Acer PC, Laptop or Notebook. The software included on this Recovery 2 DVD was preinstalled on your hard drive at the factory and may only be used for backup and recovery of your Acer computer system.
 
Part Number: RD.AD381.0B3 RD.AD381.0B4
Compatible Models: Acer Veriton S461  M661

Please Note: This product Does Not include the COA (Certificate of Authenticity) or the registration number, it is the original Acer Reinstall / Restoration disc only. You should have your original COA attached to your machine.