How to re-install Windows with no original CD

Hi all
Sorry if this is a silly question but when I've bought a new laptop in the past with Windows installed on it, it came with a Windows installation disk which I used to re-install Windows if I needed to. My new Yoga 2 Pro didn't come with a Windows 8.1 disk. What would I do if I needed to re-install Windows please?
Many thanks

Since this is more related to the OEM hardware setup I'd ask them here.
http://forums.toshiba.com/
For general windows related issues you can ask here.
http://answers.microsoft.com/en-us/windows
Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows]
Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

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Message was edited by: Shootist007

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