as long as you have 2gb of ram, which is how much Bethesda have restricted Skyrim to use on any computer ( without the use of a mod), you should be able to run Skyrim, mediocrely
skyrim
Use a Khajiit, they are good at sneaking.
You 'use' RAM, not lose it.
Get the conjure familiar spell and use it
Equip arrows and then use poison.
They have poor eye sight but they see better at night. In the day they use their sense of smell.
Yes, all playable races can use shields.
If you have Hearthfire installed you can use them to make Flour from Wheat.
Dark Elf, Khajit or Argonian
It will be pointless to use eye whitener at night whether you have been prescribed for or you bought it over the counter the purpose of it is to make your iris white, so if you use at night and wake up the next day, you'd still need to use it again. Better use a good lubricant so that your eyes don't get strained from drying when using the contacts or rather give the contacts a break if they make your eyes too blood shot that you look as if you are drunk :)
you make your follower "use" the pillar and then kill them ( you make them use it by asking them to do something and then clicking on the pillar)