
Again, it will differ slightly based on motherboard and hardware specifications. Once done, you will arrive at the BIOS screen.

You can typically find which one you need to press by looking at the corners of your screen, it will vary based on the make of your motherboard.
#IF I CHANGE MOTHERBOARD AND CPU DO I HAVE TO REINSTALL WINDOWS UPGRADE#
I did a free upgrade from Windows 7/8, can I still reinstall?.These can be good to know to save yourself some time. You might have a few questions about the pre-reinstallation process. GPU Graphics Card that supports DirectX 9 or above.Broadband or Wireless Internet (recommended 3mbps).
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1 GB of RAM for 32-bit systems, 2 GB of RAM for 64-bit systems.Otherwise, your system may not run at all. Make sure system meets the minimum standards. Whatever the reason, these are the requirements for Windows 10. Or, at some point, you have experienced a hardware change. While we assume your reinstallation is on a laptop or PC without the OS already there, some may decide to upgrade from Windows 7/8.1.
