Fix error 0x80070070 : Extend the System Partition

If the above methods cannot help you release enough space to update Windows, or you don't want to delete any application to get some free space, you can try this way to extend system partition and fix error code 0x80070070 Windows 10.

MiniTool Partition Wizards is all all-in-one partition manager, which can help you resize partition, extend partition, copy partition, recover lost or deleted partition, convert MBR to GPT and convert NTFS to FAT32, etc. Besides, it also provides bootable edition, which is commonly used to fix boot issue. (See: Quickly Fix Boot Failure Press Any Key to Continue with 6 Solutions)

To extend system partition, it is recommended to use MiniTool Partition Wizard Bootable Edition to resize it.

To run MiniTool Partition Wizard Bootable Edition, firstly, you need to create a bootable USB drive by using MiniTool Partition Wizard's Bootable Media Builder.

Step 1. Prepare a USB flash drive (or CD/DVD disc) and connect it to your computer.

Step 2. Get MiniTool Partition Wizard Pro Edition. Install it on your computer and get it registered.

Step 3. At its main interface, launch Bootable Media Builder (you may see this feature by clicking the More Tools icon).

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Step 4. Select WinPE-based media with MiniTool plug-in to continue.

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Step 5. Select USB Flash Drive option and choose the correct USB flash drive. Then click Yes to confirm that you want to burn the boot flash drive.

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Step 6. When you select the USB Flash Disk, MiniTool Partition Wizard will remind you that the data on the USB disk will be destroyed. Please make sure the USB does not contain any important files and data as MiniTool Partition Wizard will format the drive firstly. Then click Yes to go on.

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Step 7. click Finish after successful burning.

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Step 8. Enter the BIOS to change the boot order, giving the USB device boot sequence priority over the hard drive. If you are using a DVD/CD disc, change the boot order accordingly.

Step 9. When you boot from the USB drive, you will get the interface of MiniTool PE loader. MiniTool Partition Wizard Bootable Edition will be launched automatically.

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Step 10. On this page, you can see all your disks and partitions. To extend system partition, you need to select it and choose Extend Partition.

Note: In MiniTool Partition Wizard Bootable Edition, all partitions including the system reserved partition and EFI system partition will be given a drive letter, so the original system partition's drive letter may not be partition C, as you can see from the following picture.

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Step 11. Now, you can choose an existing partition or unallocated space on the same disk to take free space, which will be used to extend the target system partition, and then drag sliding handle to decide how much free space to take. After that, click OK button to go back to the main interface.

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Step 12. In this interface, click Apply at last.

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After system partition resizing, you should fix the windows 10 update not enough disk space issue and error code 0x80070070. If you try again and still find Windows 10 update error code 0x80070070, then you may try the following methods.

You can refer to the following ways to fix error 0x80070070

Fix error 0x80070070

Micah Soto

Update 20 April 2020

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