Hello,
1.) Yes
2.) Install Win2k first. Then install WinME. WinME will not upgrade Win2k, so it will default to install WinME in a dual boot system
Things to be careful of:
1.) Win2k can read WinME file systems, BUT WinME cannot READ Win2k file systems ( If it has been converted to a NTFS volume), If your whole drive is an NTFS volume then you will need to convert it back to a FAT32 volume.
( c:\convert.exe /? , on the Win2k volume)
I am not sure why you want/need to install WinME.If you are planning to play games on your laptop then you may want WinME on there, else i do not see a legitimate reason to install it. Win2K is a superior OS and will run much better on your laptop then WinME.
Check theses other resources:
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http://www.microsoft.com/windows2000/upgrade/upgradereqs/default.asp
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http://www.microsoft.com/windowsme/upgrade/default.asp
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Hope this is helpful.
Good Luck!