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. 128 GB, 256 GB, 512 GB or 1 TB (Choose Above) Solid State Drive SSD for HP ProBook 645 G1 G2 G3 G4 G5 Notebook with Windows 10 Pro Pre-installed Item Description: 128 GB, 256 GB, 512 GB or 1 TB (Choose Above) SSD SATA Hard Drive Laptop with Windows 10 Pro Installed UEFI 64-bit IMPORTANT NOTE: Windows 10 PRO was installed on this Hard Drive in UEFI Mode. If your System has both UEFI and Legacy Mode, then make sure Boot Mode is set to UEFI mode otherwise your system will not detect the Operating System on this Hard Drive. Note: For HP ProBook 645 G1, If the 2.5" Drive was not installed from HP, you will need the 2.5" Drive bracket/caddy to install 2.5" Drive). The HP ProBook 645 G2 G3 G4 Notebooks Come in 2 Different Drive Options from HP and Supports Single Drive Configuration Only. (One 2.5" Solid State Drive or Hard Drive) or (One M.2 NGFF (2280) Solid State Drive) Note: When the M.2 (2280) Drive is installed, the M.2 Drive occupies the 2.5" Drive bay. If replacing the M.2 Drive for a 2.5" Drive, you will need the 2.5" Drive caddy for installation. (The M.2 slot supports SATA and PCIe NVMe Solid State Drives). PLEASE READ BELOW BEFORE MAKING A PURCHASE ACTIVATION: This is a genuine version of Windows - not a pirated 'pre-activated' one. Activation therefore may be required.- If your computer came with Windows 10 PRO pre-installed, then you don't need to do anything. Windows will automatically detect your system's digital license (which is embedded in the hardware) 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 Pro. If your computer came with Windows 7 PRO, then you will need to purchase a Windows 10 PRO Activation Key from Microsoft as Microsoft no longer allows Activation of Windows 10 PRO with a Windows 7 PRO Activation Key. If none of the above situations matches your scenario, then you will need to buy Product Key for Windows 10 Pro. Activation Key/License is not included with this Solid State Drive. Compatible with 99% of Laptop and Desktop brands. SSD comes with 3 years manufacturer Warranty. Details on back of packaging. You are buying a SSD, 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! This drive is suitable for any laptop model, that has a SATA connection pretty much any from the past 10-12 years. If you want to install this SSD in to a desktop computer, you will need to buy a 3.5" Adapter caddy. Note: Images in our listing are stock images. Actual Product that you will receive will be a major brand solid state drive. Major brands includes Seagate, Western Digital, Silicon Power, Team Group, Timetech ... Our Used computer components such as CPUs, GPUs, Memory, Motherboards and Power Supplies are pulled from working computers/servers and are tested for functionality. If you have any questions, feel free to ask before purchasing this item. We offer a 60 day return policy on all purchases so buy from us with confidence! Thanks! Payments All payments are to be made within 2 days of the close of the auction. Items that have not been paid within 2 days of closing will be cancelled and relisted. We only accept Payments through. Shipping Handling All items (barring special circumstances) are packed and shipped within 1 business day of payment. We do not ship internationally. We will ship to a US address only! If you live outside of the US, you may bid only if you have a US location for us to ship to. We ship 2.5" HDDs SSDs and Phones with USPS, all other items are delivered via UPS Ground. We pack our items with bubble wrap and foam to ensure their safety. It is your responsibility to inspect your item immediately upon delivery for damage that may have occurred during shipping and to contact us right away. Policy While we do our utmost to provide an unbiased, accurate description of the condition of the unit, your assessment of the condition or appearance may be different than ours. Please read details carefully before placing a bid! If you have any questions, please ask us immediately so we may answer your questions as fast as possible. Returns If a listing does not accurately describe an item, we will work with you to come to a satisfactory resolution. You must contact us within 60 days of receiving your item. If you are not satisfied, please contact us before leaving feedback so that we may correct the problem. Mission It is our mission here at techaccess2000 to provide quality listings that accurately describe the product. We make sure to put the customers first and help them in the best possible way we can provide. Warranty This item carries a 60 days money back warranty. It may be refunded or replaced (if another similar item is available in stock) if it is concluded that the listing does not accurately represent the item. Office Hours We are in the office from 9:00 AM to 3:30 PM Pacific standard time from Monday to Friday. If you send us a message over the weekend, you may not receive an answer until Monday. BC