For — a lightweight, portable Windows-based OS — good feature ideas would focus on low resource usage , legacy hardware support , and practical utilities . Here are solid suggestions: 1. Optimized RAM usage display & limiter Show real-time RAM consumption and optionally limit processes to prevent swapping on systems with ≤2 GB RAM. 2. Built-in legacy driver packs Preload drivers for old chipsets (Intel 945, G31, nForce, Realtek AC’97, Broadcom Wi-Fi from late 2000s). 3. One-click “extreme performance” mode Disable animations, indexing, themes, and non-core services to free resources for a single foreground app (e.g., retro gaming or POS terminal). 4. Portable app store (offline-friendly) Curated list of 32-bit portable apps (Office 2007 compatibility, SumatraPDF, Audacity 2.x, IrfanView) that work without installation. 5. Persistent session on FAT32 USB Save user profiles and settings even when running from a USB stick formatted as FAT32 (using symlinks or a second partition). 6. Instant hardware diagnostics Quick buttons for disk health (SMART), RAM test (MemTest86 mini), and CPU info — useful for repairing old PCs. 7. Low-res UI mode (640×480 / 800×600) Works on failing screens, old projectors, or embedded displays without UI breakage. 8. Battery-preserving tools for laptops Disable unnecessary USB ports, reduce CPU frequency, dim screen more aggressively on old batteries. 9. Minimal network monitor Show which process uses the network in KB/s — crucial on slow Wi-Fi or metered connections. 10. Offline system restore point creator Save current registry and critical system files before installing software — safe for legacy machines with no internet backup. If you’re designing this for MiniOS 10 , these features match its philosophy: light, portable, and reliable on aging 32-bit hardware.