Windows 10 free upgrade offer ends-need more space

Sep 12 2017, Update: Windows 10 Free Upgrade is still available-ZDNET

Windows 10 free upgrade offer ends in this month, July.2016. When you upgrade, "Windows need more space" the error message may show if you have low disk space on system partition, C Drive, to be more specific. How to fix not enough disk space for Windows 10 upgrade?

Solution 1: Disk Management in Windows 7 /Windows 8 Extend Volume

Step 1: Run Disk Management by input diskmgmt.msc in WIN+R run box

Step 2: Click on D partition to Delete Volume in the right-click menu

NOTE: Do a backup to make sure data in a safe place. Delete Volume will erase all data on that partition

Step 3: Click YES to proceed, then D partition will become unallocated space

Step 4: Right-click on C Drive, select Extend Volume in the menu, and then follow Extend Volume Wizard to extend C Drive

NOTE: File System should be NTFS. FAT32 is not supported in Disk Management

That's the steps in Disk Management to Extend C Drive with data loss in D Drive

Solution 2: Disk Partition Expert to extend volume without data loss.

Disk Partition Expert can resize/move volume without data loss in D Drive and make unallocated space extended to C Drive in quick time. Do as follow

1. Download, install, Run Disk Partition Expert, Click on D Drive > Choose Resize/Move Volume

Run Disk Partition Expert
Partition Expert Main Interface

Download Partition Expert Server Edition to extend C Drive

2. Shrink D Drive by dragging the handle on left side, which space will become unallocated in the disk map below

resize/move partition
Shrink Partition

3. OK > click on C Drive, Resize/Move Volume, Drag the handle on the right side to extend C Drive

sytem partition extend
Extend C Drive

4. OK, Commit, Done

If you have free space on E partition or any other partition, you can move free space from the large size partition near to small size partition and do the extend job

Move unallocated space
Move unallocated space

In the whole operation, data stay as they were, but free space moved to C Drive, and then run Windows 10 upgrade again, "Windows need more space" message will no show, and the most important is, your data stay intact and system upgraded.

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