The Offline Editor can update itself (with user permission). It will check for updates at startup or you can use the "Check for updates" command in the file menu.
The current version is 461.
If you have an older computer, or cannot install the Scratch 2.0 offline editor, you can try installing Scratch 1.4.
If you are a network administrator: a Scratch 2.0 MSI has been created and maintained by a member of the community and hosted for public download here.
If your offline editor is crashing directly after Scratch is opened, install the Scratch 2 offline editor again (see step 2 above). This issue is due to a bug introduced in Adobe AIR version 14 (released April 2014).
Graphic effects blocks (in "Looks") may slow down projects due to a known Flash bug.
The backpack is not yet available.
On Mac OS you may see a prompt indicating that "Scratch 2 is trying to install a new helper tool" and asking for your user name and password. We are currently investigating a solution to this problem.
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