I've deleted everything that I can from C drive. The C drive is almost full of data and I cannot install any other applications. The C drive has 85GB space and there other with 200, 350 and 350 in order. I bought this laptop with 4 partitions, system (C:), document (D:), photos (E) and local (F:) and they are built in volume by default. 'Hello everyone, I would like to ask whether it is possible to increase space for C drive without formatting my laptop or losing any data. Here is one of the posts found on related forums. Computer will slow down and reduce performance if C drive where operating system is installed is running out of free space. How to increase C drive space in Windows 10/8/7? This is one of the most frequently asked questions when you browse technical forums or communities.

Method #4: How to increase C drive space by adding unallocated space?.

Method #3: Increate system partition size using diskpart command.

Method #2: How to extend C drive with free disk partition software?.

Method #1: Increase C drive space in Disk Management.

How to increase C drive free space in Windows 10/8/7?.

Extend hard drive partition windows 10