reinstalling

Well, since I'm computer illiterate, I came here to ask how do I go about doing this? since you guys know so much :P I don't have the windows xp thing on a CD so I probaly have to buy it... Anyways I just want to know how do Re install windows and get it running smoothly again. Btw, could i...

is it possible to reinstall windows without the bootable disk? I had a windows xp cd some time ago but I missplaced it, luckaly I made an image (.iso) of it, now is there anyway I could format the C drive (I got C and D drives) and reinstall windows without a bootable disk and only using the...

After reinstalling HL and updated the game to the lasest version everytime, I go on a server in ESF it says Game is out of date when it is not help plz. Also i install Steam with a clean install, so i could play CS 1.6 though steam which is the only place you can play it so it also install HL in...

I cant reinstall it..........It gives me some error and the screen shows Modify, Remove, and Repair all 3 give me an error.....I delete a filel on accident......I know what is wrong the uninstall file from the registry.....the uninstall file.....anyway know which one it is? It's like...

I was trying to speed up my computer by uninstalling and deleting half life and all the other mods ive collected, then just reinstalling half life and esf, but now when i try the esf setup file will only repair for some reason, and then breaks down half way through installation with multiple...

I, being the idiot i am, decided not to save the original model. Is there any way (besides reinstalling) to get it?? Thank you.