Ubuntu has a very good support base and generally on their forums you get good answers when you have a problem.
Pretty much any distro can be installed by USB stick. The really nice thing is that you can try any distro running it off the USB to see how it functions on your computer.
I’ve got this useless HP Stream device. It came with a ton of previously installed programs that it does not allow me to get rid of. I’m running out of memory and I only use a couple of programs.
Device name DESKTOP-40M5RVH
Processor AMD A4-9120e RADEON R3, 4 COMPUTE CORES 2C+2G 1.50 GHz
Installed RAM 4.00 GB (3.86 GB usable)
System type 64-bit operating system, x64-based processor
Pen and touch No pen or touch input is available for this display