XDA Developers on MSN

This mod squashes GTA 5 down to a measly 2.5 GB file size

But don't expect it to be any fun.
Gameranx

A Modder Managed To Shrink GTA V To 2.29 GB – But Reduce Your Expectations

A modder named OptiJuegos managed to shrink GTA V down to 2.4 GB - but he stripped out most of the game to do so.

Rockstar celebrates official GTA mod support by nuking non-official mod platform

Can't we all just get along?
AFK Gaming Global on MSN

Modder deletes 98% of GTA 5 files to force it to run on a 2015 netbook

A modder has pulled off the impossible by compressing the massive PC version of ‘Grand Theft Auto 5‘ down to 2.5 GB. The game ...

After accidentally deleting their fiancée's Red Dead Redemption 2 save, someone paid $159 to enlist Arthur Morgan's voice actor to apologise for them

That's one way to do it.