hello digital-kaos friends i have been using plex video on demand for abit now (paid service) i have done a lot of reading and watching videos how to set one up but to much info at one time. i only want to set one up for my own home at the minute and maybe in the future let family use it no financial gain. i have seen a number of ways to ways to update shows but too manys ways.

questions hope can answer (they might not be in order so please don't shout)

1 is it better to buy media server or run from a pc

2 what software would i need

3 how to keep tv shows up to date from airing and load to plex

if there is anything i have missed out (most possible have) please can you tell me