Network driver and dependencies

Hi everyone, I've used Linux before in various capacities, but am new to OpenSUSE. So far, I like it a lot, but I have a critical hangup: I cannot connect to the internet. My computer has 2 hard drives, one with Windows 7 Pro, and the other with Linux. Windows connects without any problem, and similarly, Ununtu had no issues when I was running that, but Ubuntu has been replaced with OpenSUSE and I can't get it to connect. It's connected with an Ethernet cable to a switch, which is connected to my router.

Here's where my ineptitude probably starts showing. What I've tried to do to get online might be the wrong way (in which case, please correct me), but here's what I've tried so far. I've downloaded the Linux driver for the Realtek Ethernet thing my computer says it has (download via other computer, and transferred via flash drive), unpacked it, and tried running "autorun.sh" (per the README files that came with the driver), but got an error saying "make: not found". I tried pulling the "make" stuff from the install DVD I have, and extracted that as well. Now when I execute "autorun.sh" the error I'm getting is .

...aaand I'm kind of at a loss about what to do. Anyone have any suggestions? I would greatly appreciate any advice the community might have. Thanks!

Computer:
Powerspec B302
OpenSUSE 13.1, 64-bit
4 GB RAM