Windows 10 Upgrade Assistant is stuck at 99% · Open File Explorer, type C:\$GetCurrent, and then press Enter. · Copy and paste the Media folder to the desktop. The fastest way to get the upgrade is through Media creation tool or ISO file. Please download Media Creation Tool from the link below and.
 
 

Windows 10 feature update 1903 stuck at 99 free download.Fix: Windows 10/Windows 11 Update Download is Stuck at 99%

 
Note: There is nothing important here. Download Windows 10 Media Creation tool on your system and install it. To avoid these problems, the best way is to create a system backup with free backup software like AOMEI Backupper Standard, preferably a scheduled backup.