Thanks all for helpful answers!

Oh, is that not possible (expanding the free space to win10 afterwards) if i do it the way Kyhi said? I guess i should have included that in my message since i want that aswell.

Hello is it possible to uninstall the first installed OS (Windows 8.1) in the SSD that has also win 10 installed into the second partition without losing data in win 10? If not from windows tools...

i used powercfg -h off command in cmd recommended in http://www.sevenforums.com/tutorials/819-hibernate-enable-disable.html guide. option one, ''4. To Disable Hibernate'' which says: "This step will...

Allright, Squirrel and Obi-Wan Kenobi, always appreciate being able to borrow your wisdom.

hiding partition letter: disk management > right click partition > Change Drive Letter and Paths >...

Some kind of squirrel humour i don't get? :D Anyway, thanks all.

Edit: I do have one more question: Now that i can see the same 1800Gt HDD in both OS, would it be safe to partition it in half for...

Thanks for answers. Yes i installed windows 10 second. Gotta look into that easybcd2.2. I deleted the drive letters for now so i can't see the other os and accidentally mix something up.

I am not having any issues, but was thinking if i should do something before it happens because i can see Windows 8.1 drive when im on Windows 10 and vice versa

So i have a dualboot of Windows 8.1 & 10 installed the normal way (device manager> shrink to create a new partition, usb stick etc.) and was wondering if deleting the drive letter of the other OS...