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How to extend boot partition/C partition in Windows 7

Updated on Dec 04, 2018 by Tracy King to Partition Master

Summary:
When the boot partition or system C drive becomes low disk space, Windows 10/8/7 would run extremely slow on your computer. Then you'll need to add space to the C drive. Here you can use EaseUS Partition Master to extend boot partition/C partition in Windows 7/8/10 in a few simple steps.

The definition of boot partition

The disk partition that contains the Windows operating system files and its supporting files is called boot partition. By default, the Windows operating system files are in the WINDOWS folder, while WINDOWS\System32 folder contains supporting files.

The boot partition can be the same as system partition (usually referred to as C partition), but they can be on different partitions too, there is no requirement on this. Generally, there is only one system partition; while there will be one boot partition for each operating system under a dual-boot or multi-boot environment.

Need to extend boot partition/C partition

As computer technicians, we are always asked how to speed up Windows 7 computers and make it run faster, how to resize partition, especially extending boot partition without reboot to maximize computer performance or solve Windows 7/8/10 low disk space warning. Would you please tell me the safest way to extend boot partition/C partition without data loss?

While you can always use Windows 7 Disk Management, but there is no obvious improvement of Disk Management tool in Windows 7 compared with Vista, the limitations, especially that it cannot move partitions, make some advanced partition management operations in Windows 7 still need a third-party partitioning utility like EaseUS Partition Master.

Extend boot partition/C partition with EaseUS Partition Master

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 Windows 10 is supported

You can download it and follow the steps below to extend boot partition/C partition:

The following is a step-by-step instruction to extend 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

Other features of EaseUS Partition Master

EaseUS Partition Master, an all-in-one disk management solution, also provides Partition Recovery, Clone with other more features for handling partition management issues, such as extend partition, resize/move partition, split/merge partition(s) and convert dynamic disk to basic etc.

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 Windows 10 is supported