Kahit pa sulat nalang dito boss salamat
download QuickShortcutMaker sa playstore (click finger icon)
after that open the app
change Incremental Search to Normal Search
search this keyword "space" without quotes
then kung may makita kang "Security Core Component" tap or click (this will expand)
then tap or Click any of these apps
Security Core Component
com.miui.securitycore/...PrivateSpaceMainActivity
or
Security Core Component
com.miui.securitycore/...SecondSpaceSettingActivity
Tap Try
this will lead you to hidden Second Space app and during the setup, create a passcode or 4-digit PIN code of main space and second space (any code, for the first time)
During second space (if you want to switch to your main space)
Tap...