So, I just got a new machine and it comes with Win7. I have NWN on my old one running XP. Should I transfer my NWN install over to the new or just keep it? If I transfer over, are there issues I should be aware of?
In my opinion, you should try transferring NWN to the new PC, but keep it installed on the old one in case it doesn't work right.
A couple of Win7 Caveats:
DO NOT put NWN in the "Program Files" folder (or whatever it's called on your machine if you don't use an English version of Win7). If you do, NWN is unlikely to work.
If your new computer uses ATI/AMD graphics, use the oldest version of Catalyst your card supports, and DO NOT use any version of Catalyst higher than 12.6 (12.2 is the most recent folks seem to recommend, and 11.x or older is better still). NWN doesn't like Catalyst's AI, and while it can be turned off in 12.6 and earlier, it's possible it can't be in the very latest versions of Catalyst. Versions without AI are preferred over versions with, since AI is a PITA to mess with from what I've heard.
For best results, install NWN on the new computer, THEN copy the old installation onto the new computer over the top of the installation on the new computer. This takes a bit more time, but saves you from having to edit the registry if you use Arf2.
Even with NWN outside of Program Files, it still needs to be run as an administrator, or did when I last checked.
I hope this helps.
P.S. The big caveat with WinXP is that it is no longer supported at all, and thus there won't be any more updates to fix security issues and such in it....Having NWN working on Win7, therefore, isn't a bad idea.
I never had a problem running NWN on Win 7. I do it on both 64 bit Home and 32 bit Professional on a regular basis. I run it on an external hard drive and just transfer the drive over from PC to PC. It should work anywhere that you have user account control. Like Arek said if you want to use Arf2, you need to either edit the registry or do a full install. If you don't use Arf2 you don't need to worry about that. I've edited the registry on both of my machines.