FCell 3.0 is distributed as msi package (for 32 bit Windows and 64 bit Windows) and does not need admin access to install:
Go to FCell Page
Download FCell distribution: FCell30_32bit.msi for 32 bit Windows with 32 bit Excel or FCell30_64bit.msi for 64 bit Windows with 32 or 64 bit Excel
Double click the msi package.
The installation package is digitally signed with StatFactory Ltd certificate.
Open Excel, go to FCell menu and get a trial license.
FCell has the following software requirements:
.NET 4.5 Runtime. Some F# type providers might require .NET 4.5 SDK.
Windows Vista or later (32 or 64 bit)
Excel 2007 or later (32 or 64 bit)
Excel should NOT be run as Administrator
You might need to add FCell folder to your PATH environment variable.