If you happened to have upgraded your Windows 7 or 8 installation for free, then yes, you can still reinstall Windows 10. 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.
Broadband or Wireless Internet (recommended 3mbps).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.