Today's modern games and many productivity applications can consume 4GB on its own, so there's little argument for not going with 8GB. However, the need for 16GB of memory is a hotly debated subject, so today we are going see if and where this much memory might be useful for desktop users.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips