Windows 10: Quick advice req'd on reinstalling Win 10 1809 on lagging laptop

Hi everyone. I have an old Acer laptop with win 10 Home build 1809. I'm guessing it's around 6 years old but it is 3.0 MHz i5 with 8 or 16 Gig. Not surprisingly it's gets slower with time but now it's almost beyond usable. A scannow found corrupted files it was unable to fix and all my old restore points are also corrupted. A reboot takes about 15 minutes and even waking from sleep takes 10 minutes before right-clicking on the desktop doesn't result in a busy mouse cursor. Iv'e tried figuring out if theres a program or virus at fault but it's all very frustrating. I just want to reinstall clean.
Somewhere around here I have a recovery USB I made when I got the laptop but I'm afraid it may be full of the bloatware that the laptop came with. There is also no Windows sticker on the underside but I am assuming the number I pulled using an app is the correct licencing number?
I've got the drive partitioned into 3 parts as well. What are my options for a clean install without losing data and ideally drivers and apps? I only use this thing for watching TV anyway as I have a a skookum laptop for other stuff.
Thanks

:)

 

Win 10 1803 to 1809 update

Quick footnote.

Used the suggested URL, downloaded and updated the Laptop to 1809 without any problems. Thanks

Arturo

 

Overclocking / Undervolting guide for Vega 56 or 64?

Here's a quick laundry list:

List of software to use for overclocking and testing
Examples:
Wattman (and how to find and use it, like an overview, including profiles)
Unigine Valley or Heaven (use this for quick testing while changing settings in Wattman and checking for stability / artifacts) ...just suggesting this
How to monitor cores / mem speeds and temps during testing (I've seen screen overlays, and others using GPUz)

Step-by step overclocking in Wattman
Fan speeds
Power limit
Temp limit
Voltages
Core speeds
Memory speeds

 

Win 10 1803 to 1809 update

Good day one and all.

My Desktop computer running Win 10 updated from version 1803 to 1809 a while back, but my laptop/notebook running Win 10 version 1803 (As of a Check for updates today 15 Nov 2018 6:30 AM) still hasn't updated to 1809.

I'm assuming the update 1803 to 1809 has now resumed after the earlier problems caused a suspension?

Updates in general on the laptop are coming through as available, for example, yesterday (14th Nov 2018) the "Cumulative Update for Windows 10 version 1803 for x64 based Systems (KB4467702)" arrived and was installed okay.

Any thoughts, suggestions?

Thanks

Arturo