If the ISO you've downloaded includes the LSD 37 fix, it might already be integrated. Otherwise, you'll need to manually apply it. This involves running a patch executable during or after installation. Always follow the provided instructions carefully.
By stripping out unnecessary services and bloatware, the OS often idles with a lower RAM footprint, making it ideal for systems with patched windows xp lsd 37 fix p4 ht dual core iso free
However, I must first clarify a few important points before proceeding: If the ISO you've downloaded includes the LSD