Windows Update history is a log that records the installed and failed updates for your review. You can view Windows Update history in Settings > Update and security > Windows Update > Update History. If you would like to delete it, read on this guide. It'll show you 2 ways to clear update history for your Windows 10/7.
Step 1: Stop Windows Update service.
Press Win+R to open Run box, then type in services.msc in it and hit Enter to open the Services Manager.
In Service Manager, scroll down the service list to Windows Update service, right-click on it and select Stop.
Step 2: Open Windows Explorer, then, copy and paste the following path into the address bar, hit Enter key.
Step 3: In DateStore folder, delete Logs and DataStore.edb.
Step 1: Open Command Prompt as administrator.
Click Start, type cmd in the Search box. Then, right-click Command Prompt, select Run as administrator.
Step 2: On command prompt, type in net stop wuauserv and press Enter to stop Windows Update service.
Step 3: Copy and paste command below and hit Enter.
It will delete the log file that stores your Windows update history.
Step 4: Type net start wuauserv and press Enter to start the Windows Update service again.