.net Framework V4.0.3.0319. Download |best| 【Windows】

After installation, check file version of clr.dll :

Before proceeding, run the .NET Framework Setup Verification Tool from GitHub (Microsoft archive) to identify exactly which runtime versions and updates your system lacks. .net framework v4.0.3.0319. download

Microsoft does provide standalone 4.0.3.0319 as a direct file name. Instead, this is the KB2600211 update. You have two official methods: After installation, check file version of clr