SHELL

show mongodb version

mongod --version

mongodb version check

$ mongo --version

MongoDB shell version v5.0.6

Build Info: {
    "version": "5.0.6",
    "gitVersion": "212a8dbb47f07427dae194a9c75baec1d81d9259",
    "modules": [],
    "allocator": "system",
    "environment": {
        "distarch": "x86_64",
        "target_arch": "x86_64"
    }
}

how to check if mongodb is installed

Open the command prompt and type "cd c:program filesmongodbserveryour versionin". After you enter the bin folder type "mongo start". If you get either a successful connection or failed one it means it's installed at least.