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How to Increase C Drive Space or Extend C Drive?

Updated on Nov 29, 2018 by Daisy to Partition Manager

Summary:
How to increase C drive space, extend C drive or system partition? This tutorial shows you how to free increase C drive space with EaseUS Partition Master.

"How can I increase my C drive space without erasing data? Many suggestions are about a quick disk formatting, but that's unacceptable to me. In recent days, a 'low disk space' pop-out balloon keeps appearing in the Systray, so it's time to solve the problem."

In Windows 10, 8.1, 8 and 7, the user experience of running an operating system largely depends on the available C drive space. Usually, there are C drive (system drive), D drive, E drive, and even more chunks on a Windows computer hard drive, and over 90% users adjusted the C drive space once or twice because the free space approached the threshold of 200MB, 80MB, and 50MB. 

Let' See How They Usually Gain the Extra Space for the Loaded System Drive

90% choice | A thorough spring clean of less frequently used bloatware, huge files, useless junk files, outdated system data,  temporary files, cache data...Everything that's unnecessary while working on a computer. That's a disk cleanup program will do.

30% choice| A massive data transfer. e.g., transfer programs from C drive to D drive or simply to an external flash drive. That's a Windows easy transfer tool will do.

100% choice| A direct disk space resizing by adding space of D, E, F drive to the C drive. That's a partition manager will do.

When it comes to increasing the size of the C drive, many people are reluctant to give up existing files and installed programs. Undoubtedly, the most applicable way if the last method! As long as there are other drives on the same hard drive and they have free space to lend. Read the how-to details.

Things You Need

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 Windows 10 is supported

Follow EaseUS Partition Master Server if it's for increasing space in a Windows server drive. 

How to Increase C Drive Space with EaseUS Partition Master

The following is a step-by-step instruction to extend the system partition (C: drive).

Step 1: Launch EaseUS Partition Master

Run EaseUS Partition Master

Step 2: Add space to the System C drive

1. Shrink partition and leave unallocated space for extending C: drive:

  1. Right-click on a partition next to the C: drive and select "Resize/Move".
  2. Drag either end of the partition to shrink and leave unallocated space behind the system C: drive and click "OK".

2. Right-click on the System C: drive and select "Resize/Move".

Extend System partition

To add space to the C: drive, drag the system partition end into unallocated space.

Add space to C drive

Step 3: Confirm to extend system C drive

Click the "Execute Operation" button, check all the operations waiting for pending, and click "Apply" to keep all changes so to extend C drive.

Confirm to extend system C drive
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 Windows 10 is supported