Is it as fast as a 2003 Dell Optiplex? No. But it is infinitely more convenient than keeping a dusty tower under your desk.

Do you use PCjs for a specific legacy job? Let us know in the comments below what vintage software you are keeping alive through JavaScript emulation.

: Windows XP needs at least 64MB of RAM to function, but 128MB or more is highly recommended to avoid "disk swapping" (where the OS uses the hard drive as slow memory). Disable "Eye Candy" : Once you boot in, go to System Properties > Advanced > Performance Settings and select "Adjust for best performance."