You need 17 GB of free space for the final game, though you may need up to 34 GB during the actual installation process.
Around 40 minutes on an 8-core CPU, or up to 1 hour 20 minutes on a 4-core CPU. download-sonic-forces-v1-04-79-6-dlcs-fitgirl-repack
6 total, including the Episode Shadow add-on and various costume packs (Sega/Atlus pack, etc.). You need 17 GB of free space for
It sounds like you're looking for a detailed breakdown of the for Sonic Forces (v1.04.79). This specific repack is a well-known, highly compressed version of the game that includes all major updates and additional content. download-sonic-forces-v1-04-79-6-dlcs-fitgirl-repack