Windows 7 has 6 service packs, each with a different version number. To check which service pack you have, go to Start, then click on Computer.
Here's what you do:
You'll see a screen like this:
The System section displays a label called "System Type" which indicates whether you're running the 32-bit or 64-bit version of Windows 7.
Free partition manager - Qiling Partition Master Free Edition supports Windows 2000/XP/Vista/Windows 7/8 32-bit & 64-bit systems, making it a viable alternative to commercial partition magic tools.
To resize a Windows partition for free, you can follow these steps using the Qiling partition management tool. First, shrink the volume by selecting the partition you want to resize and clicking the "Shrink" button.
To extend a partition, start by selecting the drive or partition you want to adjust the size of, then choose "Resize/Move" from the Disk Management page.
To shrink a partition, you can drag one of its ends to free up unallocated space and click "Proceed" to start the resizing process.
To extend the partition, first ensure there is unallocated space available. If not, create some by deleting a partition or resizing an existing one. Once you have unallocated space, simply drag your mouse into it and click "Proceed" to begin resizing the partition.
To move a partition, first ensure there's unallocated space next to the target partition. If not, free up space. Then drag the partition left or right and click "Proceed" to move it.