It may be a issue of internet bandwith, if this new game requires a insane ammount of internet then it may run low FPS (frames per second) and make myra's game look slughish,but anouther issue may be the ram or cpu, like if this is a new game and you've always played like simple games, so your running on persay a core i3 or i4, it aint gonna cut it on a newer game, you gonna need a probably core i5 or i7, or be like any sane person and switch to amd, it may be a bit pricy but if you want nice clean gaming, then amd is the way to go
For hardware, she can troubleshoot any broken components that are possibly in the computer, upgrade cards/fans, etc.
and for software she can upgrade her operating system, upgrade or download any missing frameworks, clear out any software that is taking too much CPU/RAM in the background using task manager/system viewer/KSysGuard, etc.
Depends on how many PowerPoint files you want to store and how long they are. I'd recommend at least a 256GB hard drive to store your OS and software and then leave space for PowerPoints.
