Free disk management app that allows you to change partitions and optimize disks
EASEUS Partition Master Is a Chinese software vendor CHENGDU YIWO Tech Co., Ltd. A storage management app developed by the company that can handle partition resizing, which normally requires formatting, in a wizard format while preserving data.

Basic disks and partitions
Windows standard disk management About basic disks and partitions Basic disk is a Windows standard disk management method that manages the SSD/HDD connected to the computer individually and […]
System requirements
Version 17 as of
OS: Windows XP/Vista/7/8/10/11
CPU: x86 series 500MHz or higher
RAM: 512MB or more
Support device
IDE (Parallel ATA) / Serial ATA (SATA) / SCSI / IEEE1394 / USB etc.
Support file system
NTFS, FAT32, FAT16, FAT12, EXT3, EXT2, ReFS
Where to get the software
EaseUS Partition Master Free Official Download Page
Windows XP/Vista and virtual machine download Version 16.5 become.
Unable to connect in VPN environment.
Install EaseUS Partition Master Free
The EaseUS Partition Master Free installer does not include adware or spyware.
Click "Free Download" on the download page.
Registration of e-mail address is optional, so close the window if you do not register.
Launch the downloaded installer, and when the User Account Control dialog is displayed, click "Yes" to allow it.
If there is no problem with the license agreement and privacy policy, click "Install now".
When the installation is complete, "Start Now".
displayed at startup disc guide is a function available in the paid version, so if you use the free version, don't show again and close the screen.
Disk Clone, Disk Converter, Partition Recovery, Bootable Media some modules are paid Professional Only available in
Participation in user experience improvement program
EaseUS Partition Master Free is enabled to participate in the user experience improvement program that sends usage information anonymously, so if you refuse, disable it.
From the hamburger button Configuration choose.
Participation in user experience improvement program Uncheck to disable.
How to use EaseUS Partition Master Free
EaseUS Partition Master Free can perform basic partition operations on basic disks, and can also be used for storage configured with RAID on the chipset.
From the left sidebar partition manager choose.
For the operation target disk と partition Set the task to be executed after selecting the operation target.
set taskwill be reflected on EaseUS Partition Master and will appear at the bottom of the right sidebar. Task queue , so continuous processing such as formatting and then dividing is possible.
The added task is return button to cancel.
Task queueWhen you click "Run ○ tasks", a dialog will be displayed, and when you select "Apply", the processing of the task queue will start.
Actions available when selecting a disc
·clone
Duplicate disk data to another disk.
・Adjustment of disk layout
Change partition size in disk.
・Delete all
Delete the partition on the disk to make it "unallocated".
・Wipe disk (delete data)
Theoretically destroy data by overwriting the disk.
・ Surface test
Check for bad sectors on the disk
・ Properties
・Check details such as the number of sectors, cylinders, and heads of the disk
・System disk cloning is not available in the free version.
disk After selecting the target disk, select from the context menu (right-click menu) or select from the menu on the right sidebar.
Available operations when partition is selected
·create
Create a new partition in the “Unallocated” space.
・ Size adjustment / movement
Resize the entire partition.
·format
Format the partition
·Delete
Delete the partition to make it "Unallocated".
・Wipe (delete data)
Overwrite the selected partition to theoretically erase the data
・Expansion/reduction
Resize selected partition.
·merge
Merge adjacent partitions while preserving data.
-Change the volume label
Create to change the label of a partition
-Change the drive character
Change the drive letter of the partition
・ Hide
Cancel and hide the drive letter of the partition
・ Advance
You can convert the file system (FAT ⇔ NTFS) and change the cluster size.
・Clone is not available in the free version
・Partition division is not available in the free version
・Space allocation is not available in the free version
partition After selecting the target partition, select from the context menu (right-click menu).
Disk clone
Disk clone will clone the selected disk/partition to the specified disk/partition.
On the left sidebar Disk clone から clone mode and follow the wizard to configure.
In a mode that replicates with the same partition configuration as the clone source disk, if the replication destination disk size is smaller than the replication source disk, the partition size is automatically adjusted according to the data size saved in the partition.
clone as source
It will be copied with the same partition size as the source disk, so there will be unallocated space if the destination disk is larger than the source disk.
clone as source is displayed when the size of the clone destination is the same as or larger than the clone source.
disc converter
disc converter can convert disk partition format and basic disk to dynamic disk while preserving stored data.
On the left sidebar disc converter から Working with disc conversions and follow the wizard to configure.
partition recovery
A module that attempts to recover partitions from formatted disks. Scanning is available in the free version, but recovery is only possible in the paid version.
bootable media
bootable media can create Win PE boot disk with EaseUS Partition Master and create installation media using the latest ISO file of Windows 8.1/10/11.
In the free version Burn ISO Only available.
tool kit
tool kit Then. 4K alignment , Rebuild MBR And so on.
On the left sidebar disc converter Select the module to use from
It is a function to try to repair the MBR that stores information such as partitions, and it can be used on disks other than the system disk in the free version.
4K alignment
Optimize the disk by fixing sector and cluster misalignment.
write protection
Protect or unprotect SD cards and USB memory by prohibiting writing.
Windows ISOs
Same functionality as Burn Bootable Media ISO.
How to purchase EaseUS Partition Master Professional
Creating bootable discs- MBR and GPT format conversion of system diskAnd so on EaseUS Partition Master Professional , you can upgrade to a new version for free in addition to a monthly renewal subscription Permanent license for free upgrade And major upgrades are charged General license There is.
EaseUS Partition Master Professional purchase page
Unable to connect in VPN environment.
Select the plan to purchase.
Your subscription is auto-renewal enabled, so if you don't want to renew, details to stop automatic updates from
Payment method Credit card-PayPal -Convenience store settlementCan.
For credit card/convenience store payment, enter the required information and click "Buy Now". For PayPal, make payment after logging in.
Related article

Installing and using EaseUS Todo Backup Free
EaseUS Todo Backup Free, a free backup software for backing up drives and systems, is developed by Chinese software vendor CHENGDU YIWO Tech Co., Ltd. […]

Installing and using EaseUS Partition Master Free
EaseUS Partition Master, a free disk management app that allows you to change partitions and optimize disks, is being developed by Chinese software vendor CHENGDU YIWO Tech Co., Ltd. […]

Installing and using EaseUS RecExperts
Desktop capture for desktop recording and web camera footage EaseUS RecExperts is being developed by Chinese software vendor CHENGDU YIWO Tech Co., Ltd. […]

Installing and using EaseUS OS2Go
Create a portable USB drive from your desktop environment with 1 click EaseUS OS2GO is a software vendor in China that is developing CHENGDU YIWO Tech. It copies an existing OS to a USB drive […]

Installing and using EaseUS Key Finder
Get Windows product key, browser password, Windows credentials EaseUS Key Finder is a Chinese software vendor CHENGDU YIWO Tech Co., Ltd. […]