I want to upgrade to Windows 10

[Iren k]

And my error code is 0x80080005-0x90018,free disk sace but can`t install windows 10

 

[Cycloid Torus]

Please confirm to us that you have a full good backup of all your data stored safely away from your system.

Please clarify by describing...
- system
- previous Operating System
- media you are using to install from