Used 2.5? hard drives in excellent, working state. All drives have been formatted with a fresh install of Windows 11 HOME (UEFI). - Windows on these 2.5? HDDs was installed in UEFI Mode. If your System has both UEFI and Legacy Mode, then make sure Boot Mode is set to UEFI mode in Bios of your computer, otherwise your system will not detect the Operating System on this Hard Drive. -This listing is for a 2.5? HDD for laptop, preloaded with Windows 11 HOME (UEFI) for immediate use. For those setting up a new computer, a key may be required which you can buy online. Note that this listing does not include an activation key. Note: Images in our listing are stock images. Actual Product that you will receive will be a major brand solid state drive. Major brands include Western Digital, Samsung, Seagate, Hitachi.. ACTIVATION: This is a genuine version of Windows - not a pirated 'pre-activated' one. Activation therefore may be required.- If your computer came pre-installed (from factory) with the version of windows you are currently, then you don't need to do anything. Windows will automatically detect your system's digital license embedded within the motherboard and activate itself as soon as you will connect to internet. Your system will also detect the Digital License Key and activate Windows if your computer came with Windows 8 as long as HOME version of windows pre-installed on HDD is same. If your computer came with Windows 7, then you will need to purchase a Windows Activation Key from Microsoft as Microsoft no longer allows Activation of Windows 10 or 11 with a Windows 7 Activation Key. You are buying a 2.5? HDD with pre-installed Windows. This is ideal for new computer builds or to replace a dead or dying drive in an existing computer. No technical knowledge is required. Simply install drive in Laptop, Power it on, let it automatically update devices for your hardware, and you're good to go! Returns: As with all our items we have a 60 day return policy. Item must be in original condition for a full refund. Depending on the item condition upon return, we reserve the right to decide whether to issue a full or partial refund. Shipping: Shipping is via USPS 1st Class Mail or Priority depending on Order Size. While may show you an estimated delivery date, this is not guaranteed as USPS has no guaranteed delivery times for 1st Class Mail. We will ship within 1 business day of purchase, after that we have no control over delivery. If you need your hard drive faster, then choose the Priority mail option. USPS Priority Mail which has 2-3 day delivery times depending how far you are from CA.