Which partitions should I keep for a restore?

Hi, I'm mostly a Linux user, but I recently bought a laptop with Windows 8 on it. After a few days dual booting I decided it wasn't for me, so I decided to delete the windows partitions and usa just Linux. I would like, however, to keep the recovery partition, so to be able to easily reinstall Windows again if I felt like I needed to, but I'm not sure what partitions should I keep.
Here's a picture of my hard drive partitions as of now:



Do I need more than the restore partition? Can I get rid of the boot one? What about the recovery one? And the one flagged msftres?

Thanks for your help!

As you have install Linux, you need the OEM manufacturer's DVD to reinstall Windows.