Latest dell version

That depends on what model Dell computer you have. You can find out on Dell's site by inputting your model or service tag number.

But a word to the wise. NEVER NEVER EVER UPDATE YOUR BIOS VERSION UNLESS YOU ARE HAVING AN ACTUAL PROBLEM. PERIOD.

Yes I know shouting is rude, but the thing is, so many people seem to have this idea about flashing the bios that it helps or something. What many may not know, if you are unnecessarily flashing the bios, you could effectively brick your computer. I know on my Gigabyte board on my homebuilt, I had an issue where I tried flashing the bios, and did, but the update was not great, and corrupted data on my hard drive, thankfully, I was able to roll back the update to the old bios, but that is unusual to be able to do that.

If you are not having an actual issue, do not in any circumstance flash the bios. Period. If it is not broken, do not fix it.