Selectively disable versions of the .NET Framework -

Selectively disable versions of the .NET Framework -

is possible temporarily , selectively disable 1 or more versions of .net framework installed on computer without uninstalling each one? need check effect on programs when versions of framework not available.

that's largely loud "no". .net versions overwrite each other. ignoring ancient .net 1.x versions, can ever have two distinct versions of .net on machine. either 1 of older versions covered clr version 2.0.50727 (2.0, 3.0, 3.5, 3.5sp1) , 1 covered clr version 4.0.30319 (4.0, 4.01, 4.02, 4.03, 4.5, 4.5.1, 4.5.2, 4.6).

you cannot reliably go older version within clr branch without doing important harm machine. you'd have uninstall current version before can start installing 1 want test. of course of study risks destabilizing existing programs on machine, visual studio beingness prime example. , can actively blocked; windows 8 machine illustration not allow uninstall 4.5 , prevents installing older 3.5sp1.

you must utilize separate machine or vm test this, 1 boots older version of windows. combination of windows , .net versions unpleasantly large. therefore, state in scheme requirements willing support.

.net