upgrading from 3.7.4 to 3.8.6 and finally to 4.0.6
 

I am going to upgrade from 3.7.4 to 4.0.6, however it looks like in need to first upgrade to 3.8.6.

My question is that i have a custom header and if i do the upgrade I need to upload all the files, will i need to redo my custom style sheet?

Sorry maybe a dumb question.

Thanks.