This is one of the many ways of making a quick animation of your work.
*there are many methods, this is the most basic.
Create a Group to contain your object.
Name this Group > Animation Group
Go the Channel Box for this Group
Right Click on the Rotation option and choose Set Key
Now look at the Timeline Slider at the bottom of the screen, you should see a small red line noting that you are keying your animation.
*keyframes are records of your object across time
Now move the playhead forward and use your Rotation tool to make an adjustment to the object
*you may need to right click to Set Key again
Now change the total time of you Animation by adjusting the slider beneath the Timeline
Now Right Click in the Timeline and choose Playblast and click the Square to open up the preferences
Change the Encoding to H.264
Increase the Scale to 1.00
Uncheck – Remove Temporary Files
Check – Save to File
Choose a location (Browse) for you file!
Optimizing your Viewport:
Getting a White Background
Windows> Settings/Preferences>Color Settings
3D views> Background Color> White
Remove the Grid:
Display>Grid (click to remove)