Using my method (below), with some practice you should be able to solve the cube consistently in less than 10 minutes (I can do it consistently in under 2 minutes using this method, I used a couple of shortcuts to do my record of 77 seconds) 

If you can do one side, then you should be OK to do the whole cube (with some help). If you can get all the edge pieces correct, then you will find it even easier.

If you can’t do one side, then we do have our work cut out, but you may just need a little patience and determination.

My method is deliberately simple and will allow you to actually understand what you are doing why you are doing it and how it all works, rather than requiring you to learn “algorithms”

The method I use has six steps to it and you will need to learn 8 moves (11 if you include left and right variations) although a lot of the moves all VERY similar so they are not even that hard to remember once you have the basic idea 

So that’s it, grab a Rubiks cube (buy one here), find a quiet Sunday afternoon (about 1-2 hours), amaze yourself at how easy it is, then go out and stun your friends with what you learnt over the weekend!

Here is a lovely sticker less cube (which will prevent you from thinking about cheating!): https://amzn.to/2BzCBAk 
(same as the one shown in the Amazon box elsewhere on this page)