To check if it is installed properly at command prompt >> go version go version go1.15.6 windows/amd64
To check for environment variables >> go env set GO111MODULE= set GOARCH=amd64 set GOBIN= set GOCACHE=C:\Users\Bob\AppData\Local\go-build set GOENV=C:\Users\Bob\AppData\Roaming\go\env set GOEXE=.exe set GOPATH=D:\programs\golang …. GOPATH can be set from the Win10 environment variable. It is the directory of your workspace.
Install GoLang extension. Menu -> View -> Extensions (Ctrl+Shift+X) Search for “go” and click install.
Install Tools support GoLang Menu -> View -> Command Palette… (Ctrl+Shift+P) Search for “go: install/update tools” Select and install all the tools listed.