: While 3.5 supports SP2, the later .NET Framework 4.0 requires upgrading to Windows XP Service Pack 3 (SP3). Offline Installation Steps
You may be encountering confusion between two different Microsoft products: : While 3
On Windows XP, this offline installer works without an internet connection, but you may need to extract it first: dotnetfx35.exe /x (to extract to a folder), then run setup.exe . The last
A final note for confused users: You may see modern apps asking for .NET 4.8 or 6.0. The last .NET version for Windows XP SP2 is 3.5 SP1 . .NET Framework 4.0 and above require XP Service Pack 3 (SP3) or Vista. For Windows XP users, the legacy "
with Windows XP. For Windows XP users, the legacy ".NET Framework" line is required. Microsoft Dev Blogs Recommended Version .NET Framework 3.5 Service Pack 1
file (approx. 231 MB) to the target Windows XP SP2 machine using USB or CD.