How to Split Partition
Split partition with Partition Assistant could help you quick partition a hard drive. Especially, in Windows 7, you need not worry about hard drive covert to dynamic disk after creating a new partition.
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To split partition follow:
Step1. Launch Partition Assistant. Right-click the partition which you want to split, select “Split Partitions”.
Step2. In the pop-up window, specify the related information for the new partition which will be split from target partition.
Enjoy!
How to resize partition, Convert NTFS to FAT32, Migrate OS to SSD might also interest you!
Source: extend-partition