This assumes you have installed OpenShift CodeReady Containers on Windows. You may want to issue the crc.exe status command and crc.exe stop and crc.exe cleanup and crc.exe delete commands before uninstalling OpenShift CodeReady Containers.
C:\Program` Files\Red` Hat` OpenShift` Local\crc.exe delete
Then use Apps & features to uninstall Red Hat OpenShift Local.
You can then delete your users hidden .crc directory, C:\Users\john.doe\.crc.