Version 10.11.0 Released rocket_launch

Download PartitionAssistant

Professional disk partition management software for Windows PCs and Servers.

  • check_circle Extend C: drive, migrate OS to SSD, and clone disks with ease.
  • check_circle Convert between MBR and GPT, manage dynamic disks, and resize partitions safely.
  • check_circle Move applications and create bootable media to optimize and protect your system.
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Compatible with: Windows 11/10/8.1/8/7 & Server
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What Can You Do with PartitionAssistant?

Everything you need to optimize, protect, and manage your data.

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Extend C: Drive

Easily extend the C: drive to free up space and improve performance.

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Merge Partitions

Combine two partitions into a larger one, or add not adjacent unallocated space to any partition.

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Create/Delete/Format Partition

Easily create new partitions, delete unnecessary ones, and format them to the file system you need in a single, streamlined operation.

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Resize/Move Partition

Solution to "Extend Volume" greyed out or "Shrink Volume" not enough space. Easily adjust partition size without data loss.

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Hide/Unhide Partition

Easily hide or unhide a partition according to your needs.

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Set Active Partition

Set a partition as active so the system can correctly locate and boot the operating system.

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1-Click Adjust Space

Automatically redistribute disk space between partitions with one click for fast and balanced storage optimization.

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Check Partition

Not only feature to find errors on partition(s), but also service to fix it.

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Extend Partition Wizard

Extend partitions by reallocating free space from other partitions without data loss, helping resolve low disk space issues easily.

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Change Partition Type ID

Changing the partition type ID can be useful when converting a partition from one file system to another or when repairing a damaged partition.

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Dynamic Volume Management

Extend, shrink, create, delete dynamic volumes, including simple, spanned, striped, mirrored, and RAID-5 volumes.

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Change Label

Changing the label of a disk or partition can be useful for organizing and managing data on the disk.

PartitionAssistant System Compatibility

PartitionAssistant is designed to work seamlessly across all modern Windows environments and hardware configurations.

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Windows OS

  • Windows 11
  • Windows 10
  • Windows 8.1
  • Windows 8
  • Windows 7
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Windows Server

  • Windows Server 2025
  • Windows Server 2022
  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012
  • Windows Server 2011
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Hardware Support

  • HDD / SSD
  • NVMe SSD
  • USB Flash Drive
  • SD Card
  • RAID Support

Frequently Asked Questions

Can I resize partitions without losing data? expand_more
Yes. PartitionAssistant allows you to extend, shrink, move, merge, and split partitions without formatting the drive or reinstalling Windows in most situations.
Can I migrate Windows to an SSD? expand_more
Yes. The OS migration feature lets you transfer Windows, applications, and system settings to a new SSD without performing a fresh installation.
Can I convert MBR to GPT without formatting? expand_more
Yes. PartitionAssistant can convert an MBR disk to GPT without deleting partitions or losing existing data, helping you upgrade to UEFI boot mode more easily.
Do these products support Windows 11? expand_more
Yes. PartitionAssistant is fully compatible with Windows 11, Windows 10, Windows 8.1, Windows 8, Windows 7, and supported Windows Server editions.

Ready to take control of your disk with PartitionAssistant?

Join over 80 million users worldwide who trust PartitionAssistant for their disk management needs. Secure, reliable, and easy to use.