You've only got 33GB free so you would need to make a small partition say 20GB. Move data into it. Gradually expand the partition and continue the process. Tedious and you need to be careful.
You say you have a desktop but this is a small drive. If you have room for another drive I'd buy something like a 1TB WD Black and use this a data drive.
This is my win 7
I assumed your focus was the original disk management screenshot. So for the laptop I'd leave it alone or get a larger HDD and use (free) Macrium Reflect to move everything across to the new HDD. A 500 GB drive should leave you plenty of room for a data partition and shouldn't cost that much. You need to be comfortable doing this work.
The OS drive (Disk 1 in the screenshot) of the desktop already has 4 primary partitions. Do not attempt to make a 5th partition because you will end up with a dynamic drive which is not good. The other options are
1) to make the 2nd partition a logical drive and then you can add logical partitions. You should be able to have your OS on a logical partition since you have a separate system reserved. I haven't personally done this so you should get guidance from someone who has carried out this operation.
2) make the 2nd OS partition active and delete the system reserved. This would allow you make a new 4th primary partition.
On Disk1, only the System Reserved has to be a primary partition. All others can be logical partitions.
How to Set Partition as Logical | MiniTool Partition Wizard Tutorial
When I got the offer for Windows 10 I had Windows 7 x64 on a 300gig H/D so I used Disk Utility and used Shrink to split my drive in half then installed Win 10 on the new partition, thinking back it was a mistake to have the 2 on the same drive. But I think I should have gotten a larger drive for my laptop . I also went back and did it again on each install for my data, I'm not sure if this was the right way to do it.
I sometimes set primary MBR partitions to logical - especially for students in my classes. Many brand new laptops come with 4 primary MBR partitions from the factory. Then people don't know what to do if they want an additional partition. Fixed many dynamics in the past, LOL.
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