To download and install firmware for your PSP (PlayStation Portable) Go to product viewer dialog for this item.
Installing CFW allows you to run games from a memory card, use emulators, and install plugins. The most modern and recommended setups are: skachat na piispi proshivku
If you just want the official system, you can update directly through your console's settings: Go to Settings > System Update . To download and install firmware for your PSP