Microsoft has released .Net Framework 4.7.1. You may find the links for the offline installers for all languages at the end of the article. You don’t have to find .Net Framework 4.7.1 in any other language, just get any offline installer for your preferred language from here.
Microsoft .Net Framework 4.7.1 released with some significant changes and improvements. Support for targeting the .NET Framework 4.7.1 in Visual Studio 2017 15.5 has been added.
If you have upgraded your Windows to Windows 10 Version 1709, then you don’t need to update .Net Framework 4.7.1, as it comes pre-installed with Version 1709.