O! my pretty Windows 98 SE doesn't support them.
O! that's why I couldn't install m100 cy, xh, zu ... language packs.
:(
http://support.microsoft.com/kb/883262/EN-US/#3
01 Bengali - India
02 Croatian - Bosnia and Herzegovina
03 Bosnian - Bosnia and Herzegovina
04 Serbian (Latin) - Bosnia and Herzegovina
05 Serbian (Cyrillic) - Bosnia and Herzegovina
06 Welsh - United Kingdom
07 Maori - New Zealand
08 Malayalam - India
09 Maltese - Malta
10 Quechua - Bolivia
11 Quechua - Ecuador
12 Quechua - Peru
13 Setswana (Tswana) - South Africa
14 isiXhosa (Xhosa) - South Africa
15 isiZulu ( Zulu) - South Africa
16 Sesotho sa Leboa (Northern Sotho) - South Africa
17 Sami, Northern - Norway
18 Sami, Northern - Sweden
19 Sami, Northern - Finland
20 Sami, Lule - Norway
21 Sami, Lule - Sweden
22 Sami, Southern - Norway
23 Sami, Southern - Sweden
24 Sami, Skolt - Finland
25 Sami, Inari - Finland