At the bare minimum, you need 20GB of free space available. Some settings will be lost: As reports from upgrades are coming in, it turns out that upgrading to Windows 10 does not preserve accounts, login information, passwords and similar settings.
At the bare minimum, you need 20GB of free space available. Some settings will be lost: As reports from upgrades are coming in, it turns out that upgrading to Windows 10 does not preserve accounts, login information, passwords and similar settings.