What is the best way to speed up my computer?

Internet, more processes at once, faster loading, faster downloads (if possible), ect. I have already made sure my computer is completely clean of all unneeded files, temp files, ect. I am thinking of maybe getting a new harddrive or RAM card. My current Harddrive holds around 70 gigs and my RAM is 128 I... show more Internet, more processes at once, faster loading, faster downloads (if possible), ect. I have already made sure my computer is completely clean of all unneeded files, temp files, ect.

I am thinking of maybe getting a new harddrive or RAM card. My current Harddrive holds around 70 gigs and my RAM is 128 I believe. So, should I get a bigger harddrive, RAM card, even graphics card, ect.? I really don't know what is best, because I am new to figuring out all this computer tech. Thanks!
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