Basic Setup
Download/Install/Activate Office
Download/Install/Activate Windows
Installation and activation of other general software (Acrobat Reader/Photoshop/Media Players etc)
Sign up for email accounts/Password recovery
Installalation of printer and scanner
Other download/installation and activation related tasks
(Support would be provided through remote desktop session. I would use Microsoft's QuickAssist for Windows 10 devices and for Windows 7/8/8.1, I would use TeamViewer or Ammyy Admin remote desktop tools)