UPGRADE: Umbraco v4.0.3 to Umbraco 7?

Hello,

How easy is it to upgrade Umbraco v4.0.3 to Umbraco 7? How many days do you reckon it would take?

Currently the site is using XSLT’s - Would you recommend just rewriting it so it is all Razor? I need to also inject Bootstrap in to it.

Your advice would be massively appreciated.

Thank you
Javed


This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/72442-upgrade-umbraco-v403-to-umbraco-7