No, Gig Performer wouldn’t crash. It would use the Page File as virtual memory.
So, you have 8 GB of RAM and your setup uses 97% of that RAM. What would I do if I were you:
1. Upgrade RAM
I think that today 8 GB of RAM is the very minimum that people should go with. Additional 8 GB of RAM is highly recommended.
2. Optimize your PC
If you currently don’t have time or money, I’d definitely suggest that you optimize your PC (e.g. to free up unneeded RAM, increase virtual memory, …). Our free guide will help you in that journey.
3. Make wise choices to rackspaces
Read this blog article to learn more.