How to reduce the size of hiberfil.sys file in Windows 10/7/8

IMPORTANT: It’s worth noting that Windows 10 doesn’t allow you to shrink the size of the hiberfil.sys file if the file size is 40% or lesser the size of the installed RAM.

Step 1: Open elevated Command Prompt by typing CMD in Start menu search filed, right-click on Command Prompt entry, and then click Run as administrator.

Step 2: In the command prompt, type the following command and hit enter.

 Powercfg –h –size percentsize