Hello,

I have read some instructions for upgrade and got confused about file copying part. I can modify my web.config etc files but I'm not sure what do I with installation package (.zip) file.
Do I extract and overwrite everything on existing install? Or I place .ZIP file under root? Or what do I do?

you extract and overwrite (this is why it's important to keep your web.config safe, as you'll need to rename the release.config in the new zip as web.config, and then cut-and-paste the key values [machinevalidationkey, machineencryptionkey and connectionstrin] into the renamed release.config from your 'old' web.config)

Cathal