Is it still possible to upgrade to W10 from W8.1 Pro?

My current laptop is having BSOD issues for the past few weeks. I've thought of trying to fix it (or reinstalling the OS), but then why not just upgrade to W10? I currently have the key that I used to install my current W8.1 Pro. If it's still possible, what would be the steps that I would need to do?

ASUS K501LX-DM014H
Intel Core i7-5500U
Nvidia Geforce GTX 950M 4 GB
8 GB DDR3 1600 MHz
Crucial MX300 275 GB M.2
HGST HTS541010A7E630 1 TB 5400 RPM

Yes it is possible - all methods still work. The deadline to upgrade passed without anything actually changing.

You can upgrade: Upgrade to Windows 10 | Windows 10 Tutorials
Or clean install: Clean Install Windows 10 Directly without having to Upgrade First | Windows 10 Tutorials

Yes its possible, follow the steps given below:

Steps to upgrade windows 10 from windows 8.1

1.Take backup of all the data in your drive.
2.Go to the microsoft link which offers free upgrade windows 10.
3.click on upgrade link and download the exe file in your drive.
4.Run the exe file.
5.Install in your pc.

Rain08 said:

My current laptop is having BSOD issues for the past few weeks. I've thought of trying to fix it (or reinstalling the OS), but then why not just upgrade to W10? I currently have the key that I used to install my current W8.1 Pro. If it's still possible, what would be the steps that I would need to do?

ASUS K501LX-DM014H
Intel Core i7-5500U
Nvidia Geforce GTX 950M 4 GB
8 GB DDR3 1600 MHz
Crucial MX300 275 GB M.2
HGST HTS541010A7E630 1 TB 5400 RPM

Just a quick note, to solve the crash, try to disable windows "fast startup/start"; I was also havind BSOD lately on win 81
and that solved the problem for me.
Also if your BSOD is hardware related, upgrading will not give any benefit.