Congratulations on becoming an NFT Landlord! 
To make your NFT Land more valuable, you can build improvements on it in the form of base upgrades. First, login to the MarsColony app with the wallet that holds your NFT Land:
Launch Mars Colony App
Conncet the wallet
Click “Connect wallet” in the top right corner and login with Metamask or WalletConnect.
Check what you see in the app
If you have any NFT land plots in the wallet you logged in with, you will see them on the left side of your screen:
Get into your land plot
You’ll need CLNY tokens to start building land improvements. If you have enough CLNY, just click the “Door” button and go inside it.
Place facilities on your land plot
- Push the “Build” button and open the improvement window.
- Choose the needed facilities.
- Place it anywhere you want.
Sign the transaction
Sign the transaction with Metamask by clicking “Confirm”, and wait a few seconds.
Check the status
After this action, wait 20 seconds and check that your facility has already been built. If not, please reload the page in your browser.
So easy, right ? 
Happy building! Be sure to make a post if you have ideas on how to make MarsColony better place.