How to Fix "unarc.dll returned an error code -11" While Installing The Sims 4
The Sims 4 + all DLC can require >50 GB. Temporary extraction needs extra space (double the final size). unarc.dll returned an error code 11 sims 4
Manually increasing the size of your Windows Pagefile can help if your physical RAM is struggling. How to Fix "unarc