If you remain with windows 8.1 then consider troubleshooting the problems.
Announcing Windows 8.1 lifecycle policy - Microsoft Lifecycle.
Lifecycle FAQ - Windows - Microsoft Lifecycle
With the general availability of Windows 8.1, customers on Windows 8 had until January 12, 2016, to move to Windows 8.1 to remain supported.
If you want to test drive windows 10 then make sure the free backup images are up to date.
Using Macrium Free to Backup or Image your drives
Guide(ish): Windows 10 Upgrade (Y510p)-English Community
Microsoft Windows 10 Upgrade: A step-by-step procedure checklist - Lenovo Support CL
Announcing Windows 8.1 lifecycle policy - Microsoft Lifecycle.
Lifecycle FAQ - Windows - Microsoft Lifecycle
What is the Lifecycle Policy for Windows 8.1?
Windows 8.1 reached the end of Mainstream Support on January 9, 2018, and will reach end of Extended Support on January 10, 2023.With the general availability of Windows 8.1, customers on Windows 8 had until January 12, 2016, to move to Windows 8.1 to remain supported.
If you want to test drive windows 10 then make sure the free backup images are up to date.
Using Macrium Free to Backup or Image your drives
Guide(ish): Windows 10 Upgrade (Y510p)-English Community
Microsoft Windows 10 Upgrade: A step-by-step procedure checklist - Lenovo Support CL