I have downloaded the Latest Iteration 1.11.4 of OS, but When I try to install it Windows shows this warning! I do not know this is important or no? Can I easily run it?

| 1 | initial version |
I have downloaded the Latest Iteration 1.11.4 of OS, but When I try to install it Windows shows this warning! I do not know this is important or no? Can I easily run it?

| 2 | No.2 Revision |
I have downloaded the Latest Iteration 1.11.4 of OS, OS from this link, but When I try to install it Windows shows this warning!
I do not know this is important or no? Can I easily run it?

| 3 | No.3 Revision |
I have downloaded the Latest Iteration 1.11.4 of OS from this link, but When I try to install it Windows shows this warning!
warning!

But for 1.11.0.0 doesnt show this warning, I do not know this is important or no? Can I easily run it?
Is it safe to install?
| 4 | No.4 Revision |
I have downloaded the Latest Iteration 1.11.4 of OS from this link, but When I try to install it Windows shows this warning!

But for 1.11.0.0 doesnt doesn't show this warning, I do not know this is important or no? Is it safe to install?
Thanks for any help.
| 5 | No.5 Revision |
I have downloaded the Latest Iteration 1.11.4 of OS from this link, but When I try to install it Windows shows this warning!

But for 1.11.0.0 doesn't show this warning, I do not know this is important or no? not? Is it safe to install?
Thanks for any help.
| 6 | No.6 Revision |
I have downloaded the Latest Iteration 1.11.4 of OS from this link, but When I try to install it Windows shows this warning!

But for 1.11.0.0 doesn't show this warning, I do not know this is important or not? Is it safe to install?
Thanks for any help.