There are two simple ways to find out what git version you have installed.
1. Using Git Bash
1. Choose any folder -> Right Click -> Git Bash Here
2. Type git version
2. Using the Command Line CMD
1. Open command line
2. Type git –version
As you can see there are two simple ways to find git version. Both shows that on my machine installed Git 2.36.1.windwows.1 . Here you can download the lates version of git scm.