i am a beginer just started playing but when i go to the tutorial (guider for novice) and do it. This part where i get stuck i "place the potion into the del shotcut" I did i but nothing happens i place the potion into the del shotcut but nothing happens>

Sorry but i really wana start playing anyone tell me why? bug?
Guys if you can help thx
eDIT: Quick Question:Also HOW TO SPEAK AND TALK TO OTHER PEOPLE(NPC), i doubled clicked and looked everywhere but couldn't find any answers. :} cause there is this mission [red shiny pill ]and[ purple shiny pill] in beginning where you have to talk to MRs. KAng and i click her and did everything not even a dialogue pocks out.