Converting disks to RAID - Help please...

First of all, thank you to all the experienced folks out there.... I've been reading a lot on this site and it seems to be one of the better sites to obtain information from.

Now, I'm going to worn you, I'm not experienced at this. I have loaded systems, but this one is different...

I have an Alienware 17 (mid 2013), with i7-4800mq, 750 gb hdd, 64 gb ssd. Last year the hdd went out, dell sent another and reinstalled my system. System never seemed fast after that...

Recently, I've acquired...

Converting disks to RAID - Help please...

Converting disks to RAID - Help please...