If you no longer have it, you can often download it on the manufacturer's website. For other manufacturers, refer to the user manual of your PC. On Acer, the software is called Acer eRecovery, and on Packard Bell, it’s called Packard Bell Recovery Management (or Smart Restore on older models). In this case, it's up to you to burn it with special software on your PC. Some manufacturers, such as Acer, Packard Bell, Hewlett Packard (HP), and Dell, no longer provide a recovery CD/DVD. Recovery or restoration CDs/DVDs provided by most manufacturers and the Windows CD/DVD that you buy separately in a computer store are not the same thing this article refers to the former of the two. Restoring Windows PC to Factory Settings Without CD/DVD.
