Despite the fact that my PC is four years old, I always thought I had relatively powerful machine (3.2 ghz, 8 GB memory).
However, some of the software I've tried to load recently is generating installation errors -- most of which have something to do with certain components of the software not being compatible with a 32-bit processor. They're not fatal errors, but "warnings" according to the log files.

Is it time to simply retire my old workhorse and go with a 64-bit machine?