Dear,
Your device does not belong to Huawei devices.
1. The following is the minimum requirement to run Windows 10 we need a CPU with a frequency above 1GHz.
For memory, if you want to run a 32-bit system, at least 1G of running memory is required. For 64-bit systems, 2G is required.
For the hard disk, if it is 32-bit Windows 10, it needs 16GB. For a 64-bit system, it needs 20GB. Of course, the actual storage size required is much higher than this number and 50GB or more can meet the requirements.
In general, computers that can run Windows 7 and Windows 8 can also run Windows 10.
2. This is the information I found on the Internet about Acer Aspire 5336.
Intel Celeron 900 processor 2.1GHz
GB DDR 3 RAM memory / 250 GB hard drive
3. From the above information, your computer can support the operation of Windows 10.
4. If you do not upgrade to Windows 10, generally it will not have much impact, but your computer will increase the risk of facing viruses. However, this risk is very limited.