Arturia Software Center 

Arturia is a manufacturer of electronic music instruments. Among its products there is a series of virtual synthesizers and its Analog Lab platform.

Arturia Software Center allows you to download and install different synthesizer modules. It has a simple and straightforward interface that is very easy to use.

Once you have downloaded and installed the program, it will require you to log into your account. If you don't have one, you will be prompted to create it. You only need a valid e-mail account, a username, and a password.

Then, the program will show you the products you have downloaded. If you don't have any, you can go to the Explore Products tab, which will show you all the products available. You can download, purchase and register any of them directly from this part of the program. Some of the modules also offer demos, so you can download and try them before purchasing.

The last tab will show you if there are any updates available for the modules you have. Also, you can download and install them directly from the program.

Please take into account that you will need to have the Arturia hybrid software-hardware installed in your system, since the modules don't work independently. There's one more thing you need to know about the program: it is intended for professional musicians and/or serious amateurs.