It should do yes. Activation will be required on both machines but the CD itself should still work unless it has been somehow set not to by the merchant you bought it from.
I personally use Windows XP at work, Windows 7 on my desktop, and Windows 8 on my laptop. My primary operating system, however, is Linux. On my desktop I'll run Debian Testing 95% of the time with Windows maybe 5%. My laptop runs on Arch.
There is no difference in functionality of laptop and desktop. you can do same work as you can does with your desktop
Windows XP shouldn't have any problem on both a laptop or netbook.
Try getting KernelEx, but whar are the specs in your computer? laptop or desktop?
Easy and fast would be norton ghost, although the windows transfer agent doesn't work so bad
Yes, Google Chrome can work on a desktop/laptop with Windows XP SP3.
If your laptop has the required processing power, you can play Steam games on your laptop. Both my brother and I play Steam games on our laptops.
A MacBook is considered a laptop. If your asking if a Windows machine is better then a Mac machine then only you can answer that. Do your home work and look at both.
No, this will not work. Laptop video cards are designed for the laptop they are installed in. They are not removable from the laptop and do not have the same connections that a desktop has anyway.
If Windows startup repair will not work then you need to contact support
Assuming they are the same type, e.g. DDR2, yes you can. RAM doesn't rely on the OS to work, as it is hardware, not software. You can't, however, put laptop RAM into a desktop system.
It's a matter of choice. If you like flexibility laptop will be better for you. If you do not mind to have your computer at the same place desktop will work for you.