Hi @abhishek ghosh ,
Personally, I prefer using the disk cleanup to avoid any bad handling. You will find more details in the following post may help you:
Please note that Windows Server 2008 R2 is out of support, you have to upgrade your OS ASAP to keep your servers up-to-date.
Regards,
Youssef Saad | New blog: https://youssef-saad.blogspot.com
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