How to run Safari4 beta and Safari3 on the same Mac

Guides on how to run Safari 4 beta and Safari 3 at the same Mac

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Safari is the default web browser for Mac OS, Apple Inc. released the new Safari 4 beta for evaluation, but it is not stable for running on Mac, if you want to test the new Safari 4 beta but not dropping the former Safari 3. It sounds impossible, but actually, you can keep both on your Mac at same time. But how to run Safari 4 beta and Safari 3 on the same Mac? You will need use the terminal for part of this, and we will download an older copy of Webkit, which is Apple¡¯s development builds of Safari.



Step 1. Download and install Safari 4 beta on Mac, and then restart Mac. Rename the new Safari.app in your application folder to Safari4.app.

Step 2. Now Mount the Webkit disk image and copy the Webkit.app application to your desktop. Rename Webkit.app to Safari3.app and move it to your Applications folder. In your Applications folder you should now have Safari3.app and Safari4.app.

Launch the terminal and change directories:
cd "/Library/Application Support/Apple/"

Expand the backed up archive: tar -zxvf .Safari4PreviewArchive.tar.gz. This creates a few new folders in the current directory: Applications, System, and usr.

Step 3. You can now copy the old Safari.app which is now available the the newly created Applications folder to the top-level /Applications folder.

After that, now you can run Safari 4 beta and Safari 3 on your same Mac OS. To run the Safari 4 beta launch Safari4.app, and Safari3.app. for Safari 3. This using way is not recommended, because it uses the system webkit frameworks, which were replaced when Safari 4 was installed.

Related Software: Safari 4