Yeah since im testing a XP home SP1a install and i want to upgrade it to SP3.And i dont trust really 3rd party sites providing SP3 .
Thank you!https://www.catalog.update.microsoft.com/Search.aspx?q=xp+sp3
download from microsoft
https://drive.google.com/drive/folders/0B8qZGvx85BR8Vk1YenNhOHBfc28
above courtesy of Mike_Walsh
https://onedrive.live.com/?id=D7389B68B3A275AD!834&cid=D7389B68B3A275AD
ms's copy in my one drive