Break a tree, get moneyz.

break a tree, turn all the blocks into wooden planks, build a little shack, make a crafting table, try and get wool from killing sheep to make a bed so you don't have to survive nights then look into crafting items such and weapons, picks, furnace then work on digging a mine under your shack and create pit falls for mobs like chickens then you will have unlimited food. You should have easily grasped the learning curve after doing all of that

Best way to start out is to search up "lets plays" of Minecraft, they should give you the basics.

You should begin by learning about crafting recipes. Minecraft is all about crafting and this could be very tricky at the begining. But there are a lot of Minecraft crafting guides outhere to choose from.

Surviving the first night is the most important aspect when starting for the first time. In the first day, you need to collect sufficient wood. Using the wood, you can create a basic house for safety when night falls.