Does adding more RAM help speed up my PC? By YL ComputingSpeed Up PC Yes, adding more RAM can help speed up your PC by allowing your applications to access data more quickly and efficiently. The extra RAM also allows for more multitasking, which makes it easier to run multiple programs at the same time. Related Content:What cleaning tools can I use to speed up my PC?Is there a program or utility I can use to increase the speed of my computer?How can I optimize my system memory usage?