Yes, the Lenovo Ideapad Slim 3 allows for RAM and storage upgrades. The 8GB RAM is typically soldered, but there might be an additional slot available for adding more memory (depending on the model). The 512GB SSD is replaceable, so you can upgrade it to a higher capacity if needed. Always ensure to check the specific model’s configuration before making upgrades.

Yes, 8GB RAM is typically enough for most tasks like browsing, watching movies, using office software, and light photo/video editing. However, if you're running memory-intensive applications (like virtual machines or large databases), or multitasking heavily with many apps open, you might find it beneficial to upgrade the RAM.

The 14.0" Full HD (1920x1080) display offers sharp visuals and vibrant colors, making it great for watching videos, web browsing, and office tasks. While it's not a high-end display with wide color gamuts or extreme brightness, it’s good enough for general use. It’s also compact and lightweight, which is perfect for portability.

The Intel Core i5-13420H is a powerful processor designed for mid-range laptops. It has 8 cores and 12 threads, which ensures smooth performance for everyday tasks, light gaming, content creation, and multitasking. The laptop can handle tasks like web browsing, office work, video streaming, and light photo/video editing without issue. However, it may struggle with heavy workloads like high-end gaming or video rendering.