YOU CAN'T
yes becuase any other dormat in psp will corrupted but in winrar you need to convert it to folder then place in psp games bu USB.I hope i answered your qeustion
yo eat peporini pizza and then flush the toilet
Try searching for the forum page and then install Forge. If your really stuck download WinRAR. And ModLoader. Download it. Click on it and chose open with WinRAR? And then drag it into .minecraft. ( Search for %appdata% on a windows computer.)
You have to buy and download them from the PlayStation store
You can make an archive using winrar or other program. When you install winrar, you mark the files--> right butoon--> add to archive,and they`ll be ready :)
type in psp demos on google or playstation store
Because you have to use WinRAR to unzip it and install it.
You can update your firmware using wifi in the settings at the top, or better than that you could mod your psp and install ultimate psp tube.
1) find your .minecraft folder 2) open the .minecraft folder 3) open the bin folder 4) right click minecraft.jar (you will need winrar or 7zip etc) open with winrar or 7zip 5) follow instructions on how to install the mod.
You can access the PSN from your PSP's menu bar. Here you can purchase and download games.
To install PES 2010 using WinRAR, first, download the game archive file and ensure it is fully downloaded. Right-click on the downloaded file and select "Extract Here" or "Extract to [folder name]" using WinRAR. Once extraction is complete, navigate to the extracted folder and find the setup file (usually named "setup.exe" or similar). Run the setup and follow the on-screen instructions to complete the installation.
No you cannot use a umd be to downgrade psp software