1. To find the hiberfil.sys file, you can uncheck "Hide Protected System Files" in the folder option, or use winrar software to locate the system disk and view the file;

2. Use the command line tool to completely turn off the hibernation function of Windows and delete this oversized file. First, start running in the system start menu (you can press the shortcut key Windows+R), then enter cmd and press enter to confirm;

3. Enter the command line interface, enter powercfg -h off to turn off the hibernation function (enter powercfg -h on to turn on the hibernation function), and the berfil.sys file will be automatically deleted;

Note: If the above method doesn't work, please run as an administrator.

4. Find the cmd.exe file in the system disk folder Windows/system32, or in the start menu, find all programs-accessories-command prompt icon.

5. Right-click the pop-up menu, and then click Run as Administrator. Then execute the above command line task, and you can successfully delete the Windows system hibernation file hiberfil.sys.