WINDOWS Updates & patches HARDWARE (A-K) Drivers & updates HARDWARE (L-Z) Drivers & updates OFFICE SUITES Service packs GAMES Latest patches GRAPHICS Updates & patches TIPS Fix PC problems FREE SOFTWARE Players, viewers, tools   Search   Home   Contact   Disclaimer   Copyright   Privacy			Windows XP Service Pack 1: XP SP1 (now called SP1a) Tip: Click here to run a free scan for Windows XP errors before installing SP1. Applies to: Windows XP (English) Requirements Windows XP Home or Professional (32 bit) File Size 125MB File Name xpsp1a_en_x86.exe Author/Supplier Microsoft [Click here to Download*] *Service Pack 1 does not include all drivers - run this free scan to find which ones need updating. Description The Windows XP Service Pack 1 (XP SP1) fixes a range of bugs in Windows XP. The file xpsp1_en_x86.exe, is a large download (133MB) and can be applied to any version of Windows XP Home or Professional (32 bit version only). To download the complete 133MB SP1 for all versions of Windows XP, click the download link at the top of this page. You are here: Download Windows XP Service Pack 1: XP SP1 (now called XP SP1a)