If you play mainstream AAA gacha games released in the last 6 months (e.g., Zenless Zone Zero ), you need the newest version for GPU driver patches. If you play Clash of Clans, Rise of Kingdoms, State of Survival, Black Desert Mobile, or older private server APKs— 5.13.5.1001 is the holy grail.
Official BlueStacks channels typically only provide the latest version. To find 5.13.5.1001 or other older builds, you can use these reputable third-party archives: BlueStacks 5.13.5.1001 Older Versions for Windows
: Windows 10/11 (Version 5.21 and below support Windows 7/8). If you play mainstream AAA gacha games released