Moving Deployment package into UAT using LCS

Go to LCS Portal

Sign in with your credentials

Click on the implementation project

Click on the top ham burger icon

A lookup will popup like below, click on Asset library

A new window will open like below

Now go to the Software deployment package in the left panel

Now click on "+" sign

A new form will be opened like below

Fill in the name and description of the package

Click on "Add a file"

Select the "Deployment folder" and select the package that you want to upload "AXDeployment----"

Now click ok

And now click confirm

Now click on Lifecycle Services on the top left to open the Homepage, Now you will see a screen like below

Now click on the Implementation project as shown in the below picture

Now click on "Full details" on the environment(environment here means UAT, Production) you want the package to deploy to

Now you will see a screen like below

Now click on "maintain" in the Action pane and select "Apply updates", as shown in the picture below

Now a new form will open that will show the deployable packages from your asset library

Now select your "deployment package" 

Now click apply

Now click yes

Now you can see "Servicing" and it takes around 1hr - 2hr or more depending on various factors(Package size, environment, Microsoft servers, etc)