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.
Got the exact same warning in VS .NET 2022. It's interesting to note that the latest LTS version (2021.3.16f1) doesn't even have the folder...
This is the shell command that worked for me: mklink /D "C:\Users\(your user name)\AppData\Roaming\Unity" "D:\Programs\Unity\Unity AppData"...