Hledej na netu podle nazvu toho ISO souboru (pak si to over podle kontrolniho souctu)...

Windows XP Home with Service Pack 3 (x86) - CD (Czech)
File Name: cs_windows_xp_home_with_service_pack_3_x86_cd_x14- 92410.iso
SHA1: A173389F2386BD189FE95F80F78A1FA8750E665B


Windows XP Professional with Service Pack 3 (x86) - CD (Czech)
File Name: cs_windows_xp_professional_with_service_pack_3_x86 _cd_x14-80416.iso
SHA1: 9F4201AFA36AE9F31CEAF4FC642E9764FCB5F536

Zdroj:
http://msdn.microsoft.com/en-us/subscriptions/cc13 7115.aspx
nebo treba
http://www.tacktech.com/display.cfm?ttid=422
atd....pokud tedy nemas nekoho znameho s tim CD.