how do I check the memory that I have taken up/have left on my windows xp, hp computer?

Answer 1

If you have window XP...........

Click Start
Click all programs
Click Accessories
Click System tools
Click disc defragmentor

The chart at the top of the page will show used space and free space

Answer 2

Do you want to find out how much memory you have and want to find out how much more you can have? Your question is unclear, but it's the case, then head to http://crucial.com, have it scans your computer, then it'll tell u everything u want to know about your memory.