I haven't used your exact board so i cant give you a step by step guide unfortunately.
you can always google, you'll find some good tutorials.
heres a video i quickly found on how to update the bios on an msi b350 board.
https://www.youtube.com/watch?v=rKPHGdvd76U
heres another video i found on how to overclock your ram.
https://www.youtube.com/watch?v=nGmPA_rmVYg
just note, these are videos i found after searching for 30 seconds. check out the other guides on youtube, and when you are comfortable, give them a try.
good luck!