How good compression set default compression and decompression software?

My computer to put in a good pressure and winrar, how to set the default good pressure compression and decompression software?

In winrar, in the Options – Settings – Integrated under – all the associated files will be canceled on it, and then into the good compression set, all files can be associated with a.

Thank you!

Right-the right way to open compressed file attribute change to a good pressure point