# How to upgrade Arachne

There is currently no user friendly way to upgrade the Arachne WWW browser. It is strongly recommended that you always install a new release of Arachne to a new directory, keeping your old installation as your back-up copy. If you need to save disk space, try to

- delete all files in the old Arachne's CACHE subdirectory.
- use some archiving utility (ZIP, ARJ, RAR, etc.) to pack files in the old Arachne's directory. After unpacking, your backup copy of Arachne should work again.

Generally you can try to copy files with extension .cfg from your previous installation to the new one, but be careful with file mime.cfg since the new one may describe DGI applications required by the new installation of Arachne. It is a good idea to reinstall all APM packages when upgrading Arachne - they will update the new MIME.CFG automaticaly. You will probably also want to use your old bookmarks, i.e., the hotlist.htm file. Files in the MAIL subdirectory can be simply moved to the new mail directory, or you can use a common mail directory for all installations of Arachne on your PC (something like c:\mail\)

If you have decided to overwrite your existing application using the Arachne self-extracting installer, you will find your old .cfg files and the hotlist in a subdirectory of the new Arachne installation directory called backup\.

# NEW!

The format of the mail directory was changed in 1.45 beta: Received messages (*.MES files) are now stored in subfolders of your mail directory. This means you have to create a new directory (called, let's say, OLD\) in you current mail subdirectory, and copy all *.MES files to this subdirectory. Keep *.CNM, *.TBS and *.SNT files in the main mail directory.

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