Mention to explicitely set the option to it's default.

googletest/README.md

@@ -96,6 +96,8 @@ FetchContent_Declare(
   googletest
   GIT_REPOSITORY https://github.com/google/googletest.git
 )
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
 FetchContent_MakeAvailable(googletest)
 
 # Now simply link against gtest or gtest_main as needed. Eg