HCL is offering a cookbook about Domino V11.01 where you can find

– System requirements
– Step-by-Step instructions for fresh installation, upgrades and removal
– Download links.

It´s very helpful !!

There´s also a great HCL Domino Upgrade Guide ( thanks to John Paganetti for this great hint ! )

HCL also is offering a Planning Guide for HCL Domino V11.x. You can find this document here.