This is a set of HP Pavilion Desktop PC model 550-a114 System Recovery Discs (4) that were created using the computer's HP Recovery Manager program. Tested working.

They will install Windows 10 Home Edition 64-bit (Pre-activated)

NOTE: These discs will work ONLY with the 550-a114 (with original motherboard/BIOS and 1TB Hard Drive). They are NOT returnable or refundable if not so be sure to check your computer model # before purchasing.