Hi kotochan,
From the log you have provided, it looks like your system is below Specification for running UE4:
*****************************| System Information |*****************************
Dependency Walker: 2.2.6000 (64-bit)
Operating System: Microsoft Windows NT/2000/XP/2003/Vista based Professional (64-bit)
OS Version: 6.02.9200
Processor: Intel64 Family 6 Model 23 Stepping 10, GenuineIntel, ~2933MHz
Number of Processors: 2, Mask: 0x0000000000000003
Computer Name: HOME
User Name: home
Local Date: Wednesday, April 5, 2017
Local Time: 2:12:59 PM Central European Daylight Time (GMT+02:00)
OS Language: 0x0409: English (United States)
Memory Load: 72%
Physical Memory Total: 4,294,168,576 (4096 MB)
Physical Memory Used: 3,113,500,672
Please review our Hardware & Software Specifications page.
Thank you,
.