Go to this site


and choose OpenJDK 11 LTS and HotSpot JVM.

Execute the .msi installer and you are done. To check if it worked open a command prompt and enter

java -version

The result should be

openjdk version "11.0.7" 2020-04-14
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.7+10)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.7+10, mixed mode)
openjdk.png (13.39 KB)