IMPORTANT UPDATE: Microsoft no longer allows upgrade from Windows 7 to Windows 10 with the same Activation Key so please disregard the information below about how it's possible to Activate Windows 10 with the Activation Key of Windows 7. You will need to purchase a Windows Activation Key from Microsoft if you are upgrading from Windows 7. 250GB Hard Drive for Desktop PC Computer Dell HP Lenovo w/ Windows 10 Home (Not Activated) Compatible with most Dell desktop models. If you are unsure about compatibility, just send us a message through, Condition: Cosmetically Clean, Used, Refurbished, Fully Tested and Working. This Hard Drive comes with Windows 10 Home 64-Bit Pre-installed. Best-Fit Applications: Desktop or all-in-one PCs Home servers Entry-level direct-attached storage devices (DAS) About this Drive: No drivers have been installed for a specific model. Windows will install most drivers on the first boot. You can then install additional drivers by running Windows update. If some drivers are still missing you can update them from the laptop manufacturer's support website. Please note that we are not selling any software and that Windows 10 Home has been preinstalled for your convenience. It has not been activated. The buyer must have a Microsoft digital license or product key for Windows 10 Home. If Windows is not activated within 1 month, some features will no longer work. The buyer must have a Microsoft digital license or product key for the exact version of Windows 10 installed (in this case Windows 10 Home).These drives are for people who purchased a desktop with no hard drive, or whose hard drives have crashed and do not have the Windows media to reinstall the operating system. A license or key for any other version of Windows 10 will not validate Windows 10 Home. These drives are for older desktops that use 3.5" SATA drives and are set to boot with Legacy support enabled in the BIOS. Before ordering this drive, enter your desktop's BIOS setup and make sure your BIOS boot mode is set to Legacy, and that you can disable Secure Boot, otherwise you will get a "No bootable devices" message when you install the new drive. If there is no mention of UEFI and no choice of boot mode, then it is Legacy. How you enter the BIOS varies between manufacturer and laptop model. Do not buy this drive if you don't know how, or can't, enter the BIOS setup on your desktop. On most desktops it involves hitting a Function Key as soon as you turn on the desktop - on most Dell desktops it is F2, on most Lenovo desktops it is F1, and on most HP desktop it is F10. Every BIOS is different, but you will most likely find the Boot Mode under the Boot or Startup section, and the Secure Boot option under either the Boot or Security sections. Also, make sure that SATA Operation in Bios is set to "AHCI". Special About this Hard Drive HDD: High Performance and Data Reliability Huge Storage Capacity SATA 6Gb/s interface optimizes Hard Drive performance 3.5" Form Factor Compatible with Dell hp lenovo Desktop and Server Models 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.