Installing patters and using them

Hello all.

For the last hour I have tried various methods to try and install a patterns set that I downloaded from the Internet.

I used the Preset Manager to LOAD and then SAVE SET. That did not show the new set of patterns in the STYLES > Patterns tab.

I have saved it to the PRESETS > PATTERNS folder first manually and then through the Presets Manager as described above.

I have even tried to Append it to another Patterns set through the Patterns Manager but still nothing.

I am using PSE 11.

Any help would be greatly appreciated.