How to recover keys from Windows and Office?

Volume License Product Key Activation
If you’re using Windows 10 in a business environment, editions such as Windows 10 Pro,
Enterprise and Education don’t use normal product keys.
Instead, Domain Administrators set up special KMS (Key Management Service) servers which
manage activation across the business network. This eliminates the need for computers to
connect to Microsoft for activation. System Administrators responsible for deploying
Windows 10 in an organization can find the product key from the Volume License Service Center portal;
click the Licenses tab, then click the Key tab for your Windows product.

Office 2019 ProPlus Retail activation key is given to You with purchase documentation, after first installation it will be stored to Your Microsoft account (it is not visible) and on the next time, if You'll install the same software using offline installer, Your software will activate automatically as soon as You insert activation key or login to Your microsoft account.
It is not recoverable from Your computer.

 

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