Because this pack increases the texture resolution, it demands more from your hardware, specifically your Video RAM (VRAM).
To understand the download, one must understand the game's history. Sleeping Dogs had a confusing release cycle on PC. Sleeping Dogs Hd Texture Pack Download Skidrow
When users search for an "HD Texture Pack" for a SKIDROW release, they are usually trying to patch the original 2012 cracked version of the game. They often mistakenly believe the SKIDROW release is missing assets that are locked behind a paywall, when in reality, the assets were either free on Steam or are included in the Definitive Edition. Because this pack increases the texture resolution, it
If you don’t already own Sleeping Dogs, skip the original + HD pack confusion entirely. Buy Sleeping Dogs: Definitive Edition. It includes: When users search for an "HD Texture Pack"
It regularly costs $29.99 but drops to $2.99 – $4.99 during sales on Steam, GOG, or Humble Bundle.
Solution: Turn down draw distance, shadow quality, and ambient occlusion. Keep textures at high.