Help please

So, i'm in year 12 now but when I was doing my GCSE's and I did the Edexcel Linear 1380 paper and now I'm retaking this but Edexcel have changed their exam papers and are different so which one would i be looking at doing? Modular is not an option btw

They have a linear paper

I assume that you are taking this through school so they will know the codes etc