Upgrading Concrete 5

I would like to upgrade my site to that latest version of Concrete 5.
My site is hosted by 1&1 and is installed in what 1&1 call 'safe mode'.
If I try to update the site through my Concrete 5 installation, I am told this is not possible because of insufficient folder access permissions.
1&1 tell me I must uninstall then reinstall Concrete 5 in 'standard mode' to upgrade it.
I am as anxious as a kitten because my site is live, used, and I want very minimal site downtime.
Can anyone advise how I might upgrade my site safely.

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AndyJ replied on at Permalink Reply
hi, which version are you on and which are you upgrading to?

Are you upgrading a 5.6 or lower instance to 5.6 latest release or are you running a version of 5.7?

It sounds as though (to keep the site running) you'd need to set up a new version in some new webspace not in safe mode - clone the website and then switch over to the new website after you've made your changes and are happy everything works ok.

How you perform the switchover kind of depends on your host. Would you create a new hosting package with 1 and 1?
Bebblebrox replied on at Permalink Reply
I am using version Concrete5
I would like to upgrade to the latest version.
1&1 supports Concrete5, which would be installed if I create a new website.
I am unsure what you mean by clone.

Can I:
Backup my website (i.e. data)
Install a new instance of Concrete5 (in standard mode this time)
Load my data
Link the new instance of Concrete5 to my website domain name?

If so, how do I do this?
I presume if I install a new instance of Concrete5 it will not stomp all over my old installation.