Version 5.4.0 U, available via an Internet connection, includes the following improvements:
Improvements to system stability and usability:

Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience.

5.4.0 = 271MB

5.3.1 = ??? MB

5.3.0 = ??? MB

5.2.0 = ??? MB

5.1.0 = ??? MB

5.0.0 = 530 MB

4.0.0 = 701 MB

3.0.0 = 4.1 GB

2.1.0 = 593 MB

2.0.0 = 4.7 GB