In order to upgrade to Windows 10, you should check for hardware compatibility.
You can check the Windows 10 requirements here: https://www.microsoft.com/en-za/windows/windows-10-specifications#primaryR2
After that, it's a simple matter of ordering Windows 10 from Cosoft.
You would need to take note of the following:
- Backup all your data
- Do a fresh install of Windows 10 as advised by Microsoft
- Do a brand new full Aura installation
After that you need to restore your data and reconfigure all the devices and drivers on your installation.
Cosoft charges a regular Aura installation fee to perform the upgrades on your computers, as well as the cost of Windows 10.
For more FAQ about Windows 10 please visit the below link:
https://support.microsoft.com/en-za/help/12435/windows-10-upgrade-faq