A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
Have you installed the correct version for your operating system? vc_redist.x64.exe : 64 bit vc_redist.x86.exe : 32 bit
I found a way. [Microsoft Visual C++ 2015 Redistributable Update 3 RC] https://www.microsoft.com/download/details.aspx?id=52685