Look for the executable file (usually named BlueStacks.exe or UltraEgo.exe ) within the extracted folder; there is often no traditional installer.

Designed to work effectively even on systems with limited RAM and older processors. Features of the Final Beta 1x Version

Some antivirus programs may flag modified emulators as "false positives". You may need to add the folder to your antivirus exclusion list or temporarily disable it during installation.