Why am I not getting subscribers on YouTube?

I've been uploading at least once every 2 days for like 7 months and I'm still only at 11 subs. I upload gaming and stuff but I don't know what is interesting anymore. My computer is a little slow and won't update and when I play minecraft, the second I start recording the game gets super laggy. So it's hard for me to upload computer games. Any ideas?!

Cheap and good Graphics card for gaming?

I would like to know if there are any cheap graphics cards I could buy that could atleast run ROBLOX (Siblings play it) and/or Minecraft smoothly.

Minecraft only lets me play demo?

So, I brought this game way back. I don't even remember when, probably 2011-2012. I played it a lot, but slowly started to stop a few months ago. I haven't played it for about 2 months. I decided to go back today and play a bit, but when I opened it it asked for my account password and username. I forgot my password so I did the whole "forgot your password?" stuff and changed my password. I logged in to my account, but now its saying I can only play demo. I'm confused and a bit frustrated. I've had the game for years now, I've changed the password a few times in the past so I don't think its that, and I'm just pissed.