: Repacks of the original classic frequently include the Definitive Edition Project (DEP) mod, which enhances graphics, adds widescreen support, and fixes various bugs.

: Ensure your internet is disconnected and your antivirus is disabled. You can also try running the installer in Compatibility Mode for Windows 7.

installed. The FitGirl installer usually offers to install these at the end; it is highly recommended to let it do so. Installation Best Practices Limit RAM Usage