You have three main options: (try without installing), dual-boot (alongside Windows/Linux), or full installation (wipe the drive).
You can choose to install Android 11 alongside your current OS (Dual Boot), as a main OS, or within a Virtual Machine. Option A: Running in a Virtual Machine (Safest) Android-x86 Android 11 Iso
At least 2GB is recommended for a standard experience (512MB minimum for "Go" style builds). You have three main options: (try without installing),
android-x86.org/download