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How to Add Space to C Drive to Increase C Drive Space

Updated on Nov 29, 2018 by Daisy to Partition Master

Summary:
System partition is in low disk space? Don’t worry! This page tells you how to add space to C drive to increase C drive space using EaseUS partition software in simple clicks.

Why Do You Need to Add Space to C drive

Case 1: "I have an 18GB disk drive that has been split into partitions: C: and D:. C: has about 4GB and D: has about 14GB. However, my C: drive is running out of space. How can I add space to C drive from D?"

Case 2: "I am running windows 2000 server, the C: Drive is only a 4 GB partition and 60GB on its D: Drive. How can I increase C drive space so I can do Windows updates and install a program?"

Case 3: "Well when I reformatted my computer I ended up making 2 partitions. I realized how useless the second one was so I deleted it. How can I now add space to C drive?"

What Is the Best Solution to Increase C Drive Space

For average users who know little about disk management, how to add space to C drive is not an easy task. In fact, there are two solutions: increase space in C drive with Disk Management and EaseUS partition software. But which one is the best? We recommend you the latter one. Why? It is true that Windows built-in Disk Management tool can add space to C drive. But the precondition is that there must be continuous space behind C drive. Otherwise, you cannot increase C drive space with it, like Windows Vista, Windows 2008 or Windows 7 Disk Management cannot move the partition to let continuous space behind the C drive which you want to extend. For this reason, we prefer the much easier way to increase C drive space with a magic partition manager, EaseUS partition software. It can help you do this job in simple steps without data loss.

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 Windows 10 is supported

Steps to Add Space to C Drive with EaseUS Partition Software

EaseUS Partition Master can add space to C drive with simple operations by its "Resize/Move partition" feature. Want to extend system partition (C: drive)? Just follow the steps below.

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

Besides the Partition Manager, EaseUS Partition Master provides Partition Recovery and Disk and Partition Copy features.