That is why is still the gold standard for Windows 7. It is lightweight, stable, and was built specifically for the Windows 7 architecture.
The download link above will get you running Android apps on your Windows 7 PC in under 5 minutes.
How to Download BlueStacks 2 Old Version for Windows 7 (32-bit & 64-bit)
Right-click the downloaded .exe file and select "Run as Administrator." Do not just double-click it.
Restart your PC, enter BIOS (usually pressing F2 or Del), and enable "Intel VT-x" or "AMD SVM." BlueStacks 2 needs this even though it is old.
Looking for the classic BlueStacks 2 for your Windows 7 PC? Download the stable old version here. Perfect for low-end PCs and specific older Android apps. Introduction: Why BlueStacks 2?
If you have BlueStacks 5 or 10 installed, uninstall them first. They conflict with the old drivers.