After rebooting, you will see the LSPosed Manager app (or a notification to install it). This is your modern Installer Xposed interface. Top Xposed Modules to Try First
A built-in repository to browse and download community-made "modules." installer xposed
Open Magisk > Modules > Install from storage, and select the LSPosed zip. After rebooting, you will see the LSPosed Manager
Works even better with Xposed, allowing you to hibernate system apps to save massive amounts of battery. Is it Safe? installer xposed