NET Framework 离线安装包微软官网下载地址4.0/4.5/4.8

.NET Framework 2.0 Service Pack 1
x86：https://download.microsoft.com/download/0/8/c/08c19fa4-4c4f-4ffb-9d6c-150906578c9e/NetFx20SP1_x86.exe

x64：https://download.microsoft.com/download/9/8/6/98610406-c2b7-45a4-bdc3-9db1b1c5f7e2/NetFx20SP1_x64.exe

.NET Framework 3.0 Service Pack 1
在线安装：https://download.microsoft.com/download/4/9/0/49001df1-af88-4a4d-b10f-2d5e3a8ea5f3/dotnetfx30SP1setup.exe

.NET Framework 3.5
https://download.microsoft.com/download/6/0/f/60fc5854-3cb8-4892-b6db-bd4f42510f28/dotnetfx35.exe

.NET Framework 3.5 Service Pack 1
https://download.microsoft.com/download/2/0/E/20E90413-712F-438C-988E-FDAA79A8AC3D/dotnetfx35.exe

.NET Framework 4
4.0是最后支持XP的版本。

https://download.microsoft.com/download/9/5/A/95A9616B-7A37-4AF6-BC36-D6EA96C8DAAE/dotNetFx40_Full_x86_x64.exe

x86：https://download.microsoft.com/download/5/6/4/5641DA81-E6FA-4550-9F80-A1D862D9CFAA/dotNetFx40_Full_x86.exe

ia64：https://download.microsoft.com/download/6/5/A/65A3CE73-4F35-43A1-83FA-2D11D90163A9/dotNetFx40_Full_x86_ia64.exe

.NET Framework 4 Client Profile
https://download.microsoft.com/download/5/6/2/562A10F9-C9F4-4313-A044-9C94E0A8FAC8/dotNetFx40_Client_x86_x64.exe

.NET Framework 4.5#
https://download.microsoft.com/download/b/a/4/ba4a7e71-2906-4b2d-a0e1-80cf16844f5f/dotnetfx45_full_x86_x64.exe

.NET Framework 4.5.1
https://download.microsoft.com/download/1/6/7/167F0D79-9317-48AE-AEDB-17120579F8E2/NDP451-KB2858728-x86-x64-AllOS-ENU.exe

.NET Framework 4.5.2
https://download.microsoft.com/download/E/2/1/E21644B5-2DF2-47C2-91BD-63C560427900/NDP452-KB2901907-x86-x64-AllOS-ENU.exe

.NET Framework 4.6#
https://download.microsoft.com/download/C/3/A/C3A5200B-D33C-47E9-9D70-2F7C65DAAD94/NDP46-KB3045557-x86-x64-AllOS-ENU.exe

.NET Framework 4.6.1
https://download.microsoft.com/download/E/4/1/E4173890-A24A-4936-9FC9-AF930FE3FA40/NDP461-KB3102436-x86-x64-AllOS-ENU.exe

.NET Framework 4.6.2
https://download.microsoft.com/download/F/9/4/F942F07D-F26F-4F30-B4E3-EBD54FABA377/NDP462-KB3151800-x86-x64-AllOS-ENU.exe

.NET Framework 4.7
https://download.microsoft.com/download/D/D/3/DD35CC25-6E9C-484B-A746-C5BE0C923290/NDP47-KB3186497-x86-x64-AllOS-ENU.exe

.NET Framework 4.7.1
https://download.microsoft.com/download/9/E/6/9E63300C-0941-4B45-A0EC-0008F96DD480/NDP471-KB4033342-x86-x64-AllOS-ENU.exe

.NET Framework 4.7.2
https://download.microsoft.com/download/6/E/4/6E48E8AB-DC00-419E-9704-06DD46E5F81D/NDP472-KB4054530-x86-x64-AllOS-ENU.exe

https://download.visualstudio.microsoft.com/download/pr/1f5af042-d0e4-4002-9c59-9ba66bcf15f6/527a5cc66d3e5c7d3653b366f5add524/ndp472-kb4054530-x86-x64-allos-chs.exe

.NET Framework 4.8
https://download.visualstudio.microsoft.com/download/pr/2d6bb6b2-226a-4baa-bdec-798822606ff1/8494001c276a4b96804cde7829c04d7f/ndp48-x86-x64-allos-enu.exe