disclaimer: DEV did put hints on steam forums but this is more than a hint
i will show 90% i could not find on the internet

DEV

hint 1: you have to use the first computer in the level, the one in the wall just on the left as you start.










hint 2: there's an interesting text file in one folder.










hint 3: c:\users\guest









_________________________________________________________________________________________






go to the computer to the left at the start. (hint 1)
you will see your a guest.
simple type "dir"
showing list:
system
users

type " cd users"
"dir"
showing list:
guest
root
type "cd guest"
"dir"
showing list:
inbox
TOPSECRET.txt (hint 2 & 3)
read topsecret.txt
new root and password
now just login like normal and gui to see the safe to unlock

"cd system"
"dir"
showing a list
. (go forward)
.. (go back)
base
data this
net
type " cd net"
than "dir"


p.s.. i could go into detail with the last step but i think you will understand after getting this far

netmap?
telnet?
safe?
unlock?
done!

i hope this helped