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▶Make sure there is free space in the partition which plan to add into system partition. You can free download it and have a look at how it works. Besides, you can move partition to make unallocated space adjacent to the to-be-extended partition and then extend it successfully. For example, it can directly merge unallocated space, no matter where it locates on the hard disk, into the C drive by 3 steps.
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This freeware can extend C drive more flexibly. In such cases, you had better employ third-party partition manager software, such as AOMEI Partition Assistant Standard. If the C drive is of FAT32 file system, they cannot help you, either. Besides, they can extend NTFS partition only. Extend C drive when there is no contiguous unallocated spaceįrom the previous content, we can know that both the Disk Management and DiskPart have the same restriction: only extend a volume when it is followed by a contiguous unallocated space. Note: Same as the Disk Management, the DiskPart can only extend C drive when there is an adjacent unallocated space on its right side. Select partition m: m is the number of C drive.Įxtend size= x: x is the size in MB you want to add to the system partition. Select disk n: n refers to the number of the disk that holds C drive. Step 1. Open Run dialogue, input diskpart and click OK. When there is a contiguous adjacent unallocated space behind system partition, you can also choose to extend it in Diskpart utility. Increase C drive via Diskaprt with contiguous unallocated space Note: If the unallocated space is not adjacent to the C drive on its right side, the “Extend Volume” will grey out and cannot be clickable. Step 4. Follow the prompts that will appear to complete this operation. Step 3. Right-click C drive and choose "Extend Volume". Step 2. Input diskmgmt.msc and hit Enter to open Disk Management. Step 1. Press Windows + R at the same time to open Run dialogue. If there is an adjacent unallocated space behind C drive, you can extend it in Windows 10/11 Disk Management. Here are detailed steps: Extend C drive via Disk Management with adjacent unallocated space You can choose one according to your demand. Here we offer you three effective and simple ways to increase C drive space in Windows 10, 8, 7. Usually, your C drive is the partition that contains OS information. Three ways to extend system partition in Windows 10/11 To fix it, apart from free up space on C drive via moving apps to another drive, running disk cleanup, and so on, you may want to extend C drive. It is really a troublesome issue especially for the user whose work depends on computer such as game testers, editors, designers. After using computer with Windows 10 installed for a long time, you may encounter Low Disk Space warning on C drive.
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