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Upgrading a HP computer from Windows 7 to Windows 10

Prerequisites

Find the serial number of your computer, it may be useful later
A computer that has a Windows 10 license but was bought with Windows 7 pro installed (the Windows 7 downgrade option was selected when ordering the computer)
- If you are not sure if you have this option, you can call the HP Professional hotline and ask: +33.1.70.48.53.19
  - You can also check the warranty status on the Product Warranty Check page
A USB stick with 16+ Gb for downloading the installation files

Reboot and press the ESC key repeatedly to enter the Startup Menu
Select F11 to recover the system
- Follow the instructions
- Once the actual Windows 10 configuration starts, go to

Go to the HP Software and Driver Downloads (French) and then enter your computer name (you may have to click on Other HP Products first): e.g. 840 G3 (for a HP Elitebook 840 G3)
Expand the Software-Restore CD panel and download the Cloud Recovery Client
Execute the client installer
- If you execute this on another computer than the target computer, manually enter the serial number and model name of the target computer
- Select Microsoft Windows 10 64-bit Professional
- Select Operating System & Drivers and Western Europe and a server in Europe
- Select a USB drive with at least 16 Gb (the content of the drive will be erased!) and start the download

Connect the USB drive, reboot and press the ESC key repeatedly to enter the Startup Menu
Go to the Boot Menu (F9) and select the appropriate USB drive (e.g. LEGACY - SanDisk Ultra) and press Enter
- Note that if you select UEFI - SanDisk Ultra instead of LEGACY, you may not ne able to select some of the partitions when choosing where to install Windows
Follow the instructions from Windows Setup
- Select the language (e.g. French)
- Select the operating system (e.g. Windows 10 Anniversary Update Pro - WestEU, x64, 20/03/2017)
- Accept the Licence
- Select the partition where you want to install Windows
  - The partition needs to be big enough (>14729 MB)

Go to the HP Software and Driver Downloads (French) and then enter your computer name (you may have to click on Other HP Products first): e.g. 840 G3 (for a HP Elitebook 840 G3)
Expand the Software-Solutions panel and download the HP SoftPaq Download Manager
Execute the download manager
- Install the packages that are preselected (eg BIOS, and packages shown as Newer version available)