.SP1 文件扩展名
Windows XP Service Pack 1 Identification File
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什么是 SP1 文件？
An SP1 file is an identification file included in Windows XP Service Pack 1 (SP1). Windows XP checks for an SP1 file to verify Service Pack 1 before installation. The Professional and Home editions of Service Pack 1 both use SP1 files, which have slightly different filenames.
更多信息
Periodically, Microsoft released Service Pack updates for Windows XP. These CDs contained data used to fix issues with and add features to the operating system. Microsoft released Windows XP Service Pack 1 on September 9, 2002, for both Windows XP Professional Edition and Home Edition.
Along with files and folders containing update data, each Service Pack 1 CD contained an SP1 file. Windows used the presence of this file to verify that it should install the Service Pack. SP1 files themselves contain no data or information.
如何打开 SP1 文件
SP1 files contain no data and are not meant to be opened.
If you possess a copy of Windows XP Service Pack 1, you can use the disc to apply the fixes and enhancements it contains to Windows XP. To do so, insert the disc into your CD-ROM drive, browse to the disc in File Explorer, and double-click SETUP.EXE.