Thanks for your help:)

So when I do a clean install on my laptop I don't have to press the New button and just install in the unallocated space.:o

I cant post a screen shot I don't have the laptop here ,are you saying that I have done right by installing it in the unallocated space and that windows may have created the primary and system...

It is activated with the win 7 serial No. that came with the Samsung laptop. I cant check if there is a recovery partition or EFI as my daughter has taken her laptop home. I don't understand about ...

The hard drive is 1 Terabyte so 931 GB unallocated space.

My daughter asked me to do a fresh install of win 10 on her win7 Samsung laptop but I installed it in the unallocated space without pressing the new button which I now know sets primary and system...