Step #303 in the Total Overhaul list
Download the main file and the "Flask mesh update" file.
For those wondering, there's no conflict with this mod and Vivec Guild of Mages Expansion.
Note that this mod creates a conflict with The Rise of the Tribe Unmourned Revised when you destroy the Mage's Guild, if you choose to do that. Note that this would affect any mod that wants the Mage's Guild to exist!
Rise of House Telvanni.esm