help me with files vsro

hello I'm new to forum

I would like to create a server with files vsro
I will do to friends and players who want to have fun

I would like to know how to fix errors and bugs in the game

example:
* monsters
*NPC
* items
* quest
* event
* How to update the game... exemple: 1.188 for version 1.190
* How to open, edit media.pk2

I know it is much

I hope you help me

Thank you! ;)

Explain it more. Btw you can get a lot of info in searching this forum.