Hibernate Option In Windows Power button

Strangely, in Windows 10, the Hibernate option is not available by default.
To pull the Hibernate option out, go to "Power Options". Click on "Choose what the power buttons do".

Click on "Change settings that are currently unavailable."

Scroll down & check on "Hibernate" option. 

Internet Explore Closed In A Flash When Opening attachment (PDF)

Cracking head trying to resolve this issue of Internet Explorer closed in a flash when trying to launch or open an attachment (PDF document to be precise), instead of prompting to save or launch the attachment.

To resolve the issue:

Internet Explorer - Tools - Internet Options - Security - Custom Level. Scroll all the way down to section 'Downloads' - 'File Download', select 'Enable'