wifi reception

I live across the street from a public park that provides free wi-fi. I operate my pc from that signal. I don't use a conventional router just a wifi USB adapter stick. Sometimes, the signal strength is ok but other times, it needs a little help. I'd like to know if there's a device (if so...

I would like to add more memory to my old system/workstation. It's an x99 board with an i7 5960x. I use it mostly for virtual machines, and no gaming. My virtual machines are setup to take snapshots of themselves every hour or so, and I haven't really ran into any issues yet. But I would like to...